1. if the equation y=3× +2is changed to y= -3× +2 how will the graph of the line change?

a. it will shift down 3 units
b. it will shift left 1/3 units
c. it will slope in the opposite direction
d. the new line will be parallel to the original line.

2. you write the equation 2w+2w+w+w=90 for the word problem. you solve and get 15. what is the answer to the problem

a. the area is 450 in^2
b. the width 15 inches
c. the area is 112.5 in^2
d. the length is 30 inches