i. Solve each of the following systems of equations and check your answer.

a.2X+5y = 0

2X+2y = 6

b.3x = -2- 3y

5y = 3x-38

ii. Using algebra, find the slope and y-intercept of the lines represented by the following Equations.

a.9x+ 3y = 33

b.1-1/2y = 2x

c. (x-2) (y+2) - xy = 8

iii. A restaurant is offering two dinner specials. The difference between seven times the orders for the first special and four times the orders for the second special is 12. The sum of three-fourths of the orders for the first special and two-thirds of the orders for the second special is 21. Find the number of orders for each special.