Answer:
Question 6

Question 7
The width is 2x.
Step-by-step explanation:
Question 6)
Expand

solving to the expand


so the expression becomes



adding similar elements: 20a+2a=22a

Hence,

Question 7)
Given
Using the formula
width = Area/Length

∵ 
Therefore, the width is 2x.
Answer:
98
Step-by-step explanation:
Formula Base * Height
7*14=98
Answer:
I think it's 832 units squared
Step-by-step explanation:
I used the formula for the surface area of a rectangular prism but just doubled the dimensions before plugging them in
Answer:
number 2 in the left
Step-by-step explanation:
Answer:
she will?
Step-by-step explanation: