Answer:
$50
Step-by-step explanation:
15x18=270
1170-270=900
900/18=50
perimeter=2(L+W)
304=2(81+W)
304=162+2W.2W=304-162.2W=142\2=71
The answer is D.
3x*3x = 9x^2
3x*2= 6x
5*3x=15x
5*2=10
6x+15x=21x
9x^2+21x+10
-11
y=-5-3(2)
-5-6=-11
She earned 280$ of interest.
