Answer:
x =20
Step-by-step explanation:
As a line is 180 degrees
So 7x + 40 would be 180, which would lead us with the equation:
7x+40=180
=7x =140 (minus both sides by 40)
=x =20 (divide both sides by 7)
<span>$152.51
y o u r a n s w e r i s a b o v e
</span>
<span>volume of a cube
V= a^3 = 1^3 = 1
answer
</span><span>D . 1 cubic foot</span>