23x and 9x are alike terms so
23x-9x
14x
Answer:
2261,9 cm³
Step-by-step explanation:
First, you need to find the area of the base:

A=36
cm²
Now let's multiply it for the height:
36π cm² × 20 cm = 720π cm³
= 2261,9 cm³
5,380,000 I'm pretty sure. Hope it helped! ❤
Answer:
25 sheets of plywood will be needed
Step-by-step explanation:
Each sheet of plywood measures
.
We have to cover the surface of the house, minus the surface of the hole of the stairs.

To know how many sheets will be needed, we divide the surface to be covered by the surface of each sheet

As we can't buy 0,75 of a sheet, we round it up, i.e. we will need 25 sheets of plywood for subflooring.
Answer:
Part C
Look at the circle you created that has point C(the midpoint of AB) as its center and passes through point A.
What can you say about AB, about the inscribed angle of a circle, and include your reasoning in your response.