Select the pair of equations whose graphs are perpendicular A)5x – 8y = 9
12x - 5y = 7

B)y = 2x–7
X + 2y = 3

C)x + 6y = 8
y = 2x - 8

D)2y = -3x + 5
2x + 3y = 4

answer: get a conversion sheet out i dont know the exact measurments

step-by-step explanation: divide the number of feet with the nu,ber of milrs and there your answer

multiplication is multiplication.   it might feel harder depending on what level of math you are in, but generally it will be the same old stuff, while implementing some new concepts and methods of solving work.

in total they made   333.74 your welcome : d