8 is:
a)2x+3
b)7x^2
c)3x^2+2x+1
d)x^2+2x+7
e)x^2+2x+3
f)7x^2+2x+1
g)3x
h)x^2+3x
9 is:
a)5x
b)4x+9
c)4x+2
d)4x-2
Answer: $32 is the discount
Step-by-step explanation: i got it right
The third one, 1/3(40)ft^3, due to the fact that the volume of a cone is 1/3 that of a cylinder. This is shown from their formulas.
Cylinder

Cone
We have to use Pythagorean theorem that says :

The missing length of the triangle is : 36 feet