3x+y=8
y=8-3x
5x+3(8-3x)=8
5x+24-9x=8
-4x+24=8
-4x=-16
x=4
5x+3y=8
5(4)+3y=8
20+3y=8
3y=-12
Y=-4
5x+3y=8
5(4)+3(-4)=8
20+-12=8
8=8
for rectangles:
A = lw
A = 4(4 * 2)
A = 4(8)
A = 32
So, your answer is B) 32 ft.
He will earn $427.50 because $4.27 times 90 equals $427.50
You can use a calculator online you know? It is 21.3
Answer:
263.76
Step-by-step explanation:
It is 7 times 12 times 3.14. Then you round your answer