QUESTION 19 A force of >= 65 pounds exerted at an angle of 30 above the horizontal is required to slide a table across a floor (see figure). The table is dragged x = 18 feet. Determine the work done in sliding the table. y lb 30 x ft O a. 1033.2 ft-lb O b. 1013.2 ft-lb O c. 1073.2 ft-lb O d. 1053.2 ft-lb O e. 1093.2 ft-lbQUESTION 20 Calculate the binomial coefficient: 5 O a. 0 O b. 30 O c. 720 O d. 1 O e. 6QUESTION 21 Determine a value for b such that a triangle with A = 580 and a = 10 has no solution. Round your answer to the nearest hundredth. b A O a. 2.95 O b. 11.69 O c. 2.36 O d. 5.90 O e. 31.83QUESTION 23 Simplify the expression algebraically. 7 sin + x 6 O a. 7 sinx + 3 cosx Ob. 75 cosx + 3 sinx O c. 7 NI- sinx - 3 cosx O d. 7 2 (cosx + sinx) O e. 7 cosx - 3 sinxQUESTION 25 Determine whether the sequence is arithmetic. If so, find the common difference. 7.5,7.9,8.3,8.7,9.1,... O a.Arithmetic sequence, d = 0,4 0 b.Arithmetic sequence, d = -1.6 O c. Arithmetic sequence, d = -0.4 O d.Arithmetic sequence, d = 0.8 0 e. Not an arithmetic sequence QUESTION 26 Select the correct equation of the following graph. 10 -10 8 6 4 -2 + 2 4 6 8 10 x 8 . -10 O a. x 36 Ob. X + 9 36 O C. 2 2 + 9 36 Od. X 36 9 O e. x2 12 2 = 1 a 36