Answer:
4x+4
Step-by-step explanation:
7x -3x +4
Combine like terms
7x-3x = 4x
Substitute back into the expression
4x+4
Answer:
I think it is option 4, because it has the same scale. The height is 3 times as much as the radius.
Did they give values for the letters??
Answer:
Step-by-step explanation:
volume=area of side triangle×distsnce between triangles
=1/2×20×8×5
=400 in³
