I believe the answer is b
Answer:
x = 6
Step-by-step explanation:
The scale factor is
28/8 = 7/2
We take the ratio of the larger side over the smaller side
Using ratios we can find the sides
28 21
----- = ---------
8 x
Using cross products
28x = 21*8
28x =168
Divide each side by 28
28x/28 = 168/28
x =6
Answer:
The first answer choice
Step-by-step explanation:
Formula for volume of a rectangular pyramid is V=lwh/3
Answer:

Step-by-step explanation:
Hello, first of all, we will check if we can factorise the polynomials.




Now, let's compute the product.

So the correct answer is the first one.
Thank you.