I need just correct answer without explanation please.

Question 1 Not yet answered Marked out of 1.00 P Flag question The graph of y = 4sin (3x + 2) + 1 has amplitude of: Select one: a. 0 O b. O c. 2 O d. 3 O e. 4 Clear my choice Question 2 Not yet answered Marked out of 1.00 P Flag question Solve the system: 2x + 3y = 7, 3x - 5y = 1 Select one: O a. (2, 1) O b. (1, 2) O c. (0, 0) O d. There is no solution O e. None of these Clear my choice Question 3 Not yet answered Marked out of 1.00 Flag question What is the polar representation of z = 6i? Select one: O a. 6 cis i O b. 6 cis It O c. It cis 6 O d. 6 cis (1/2) O e. 36 Question 4 Not yet answered Marked out of 1.00 P Flag question What are the possible rational roots of f(x) = x" -7x + 8? Select one O a. {8) O b. {+-1, +-2, +-7, +-8} O c. {+-1, +-2,+-8) O d. {+-1, +-8} O e. {+-1, +-2, +-4, +-8} Question 5 Not yet answered Marked out of 1.00 P Flag question The graph of y = -2 sin (x - 2) + 1 has amplitude of: Select one: a. 0 O b. 1 O c. 2 O d. O e. 4 Question 6 Not yet answered Marked out of 1.00 P Flag question If an ant is 100 feet away from a tree growing straight up, and the ant has to look up at an angle of 68 degrees to see the top of the tree, how tall is the tree? Select the closest answer. Select one: O a. 200 feet O b. 140 feet O c. 80 feet O d. 20 feet O e. 10 feet Question 7 Not yet answered Marked out of 1.00 Flag question What is the period of y = 3cos ( 4x + It/2) + 5? Select one: a. TV/4 O b. It/2 O c. T O d. 2nt O e. -It Question 8 Not yet answered Marked out of 1.00 P Flag question How much must be invested today at 10%, compounded continuously, to be worth $271,000 in 10 years? Pick the closest answer. [Use e = 2.71] Select one: O a. $250,000 O b. $100,000 O c. $10,000 O d. $1,000 O e. No amount will be enough Question 9 Not yet answered Marked out of 1.00 P Flag question What is the exact value of sin (15 degrees) Select one: O a. .380 O b. sqrt (2 - sqrt(3)) / 2 O c. sqrt (2 + sqrt (3)) / 2 O d. .350 O e. Impossible Question 10 Not yet answered Marked out of 1.00 Flag question On a circle of radius 4 find the x and y coordinates at angle 180 degrees (or it in radian measure). O a. (0, 4) O b. (4, 0) O c. (4, 4) O d. (-4, 0) O e. (2, 2)Question 11 Not yet answered Marked out of 1.00 P Flag question What is the period of y = 3cos (8x + Tt/2) + 5? Select one: a. 2nt O b. n O C. T1/2 O d. It/3 O e. It/4 Question 12 Not yet answered Marked out of 1.00 P Flag question What is 2cis(-It/3) in rectangular coordinates? Select one: O a. (-1, - sqrt 3) O b. (1, - sqrt 3) O c. (1, sqrt 3) O d. (-1, sqrt 3) O e. Impossible Question 13 Not yet answered Marked out of 1.00 P Flag question If f(x) = 3x +2 and g(x) = x -4, (f/g)(4) is: Select one: O a. Undefined O b. o O c. 14 O d. (3, 2, 4) O e. None of these Question 14 Not yet answered Marked out of 1.00 P Flag question What is (2, - It/6) in rectangular coordinates? Select one: a. 0 b. (sqrt 3, 1) O c. (sqrt 3, -1) O d. - 1 / (sqrt (2) + sqrt (6)) O e. Impossible Question 15 Not yet answered Marked out of 1.00 Flag question If I invest $10,000 at 5% compounded monthly, how much will I have in 8 years? Choose the closest answer. Select one: a. $5,000 O b. $10,000 O c. $15,000 O d. $20,000 O e. $25, 000 Question 16 Not yet answered Marked out of 1.00 P Flag question Solve for x: (1/3)" = 81 Select one: O a. 4 O b. -2 O c. 3 O d. -4 O e. None of these Question 17 Not yet answered Marked out of 1.00 P Flag question What are the possible rational roots of f(x) = 3x -x + x2 - x + 5? Select one: O a. (+1, +5) b. {+1/3, +5/3) O c. {+1, +1/3, +5, #5/3) O d. (1, 1/5, 3, 3/5) O e. (1, 1/3, 5, 5/3} Question 18 Not yet answered Marked out of 1.00 P Flag question How much must be invested today at 10 %, compounded continuously, to be worth $165,000 in 5 years? Pick the closest answer. [Use e = 2.71] Select one: O a. $150,000 O b. $130,000 O c. $110,000 O d. $100,000 O e. No amount will be enough Question 19 Not yet answered Marked out of 1.00 P Flag question If an ant is 50 feet away from a tree growing straight up, and the ant has to look up at an angle of 70 degrees to see the top of the tree, how tall is the tree? Select the closest answer. Select one: O a. 20 feet O b. 50 feet O c. 1,400 feet O d. 140 feet O e. 1,000 feet Question 20 Not yet answered Marked out of 1.00 P Flag question What is the equation of the line passing through (1, -4) and parallel to y = -x + 1? Select one: O a. -x+y+3=0 O b. x-y+ 3=0 O c.xty - 3=0 O d. xty+3=0 O e. None of these