A. she needs 81sq ft
b. 202.5$

let's plug in the value of y :
Answer:
B x=-6
x=2
Step-by-step explanation:
2100000000000000000000000000000000000000000000000000000000000000000
Answer:
x-intercept: (18/5,0)
y-intercept: (0,-2)
Step-by-step explanation:
btw .. you put the equation twice it's supposed to be " -5x+9y=-18 "