87 deaths in 1990 and 51 in 2011. What is the percentage decrease?

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

Through: (-3,-3) parallel to y= 7/3x+3

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices