You would need to increase both sides by 3 to get 15m and 17m. I would show you my working but I just did trial and error. I hope this helps!
Answer:
The width will be 
Step-by-step explanation:
Thinking process:
Let the model be:

factoring out 4 gives:

Factorizing the expression in the parentheses gives:

Therefore, since the expression in the parentheses cannot be factorized further, the expression is:

Answer:
You are correct if it is 115 degrees
Step-by-step explanation:
3x+40=5x-10
x=25
3x+40=Angle 1
3(25)+40
=115
Answer:
,k
Step-by-step explanation:
n
Answer: a and d
Step-by-step explanation:
First of all, we need to make a analysis of each letters:
a. factoring 32 = 2.2.2.2.2 = 

then,
16 = 
but 
in conclusion that, this inequality is correct
b. 27 = 
this first situation is equal to 
the second situation is:
81 = 
and 
it's a mistake.
c. factoring 9: 
< 
it's wrong.
d. factoring 8 = 
factoring 32 = 
> 
This is true.
Finally.. our correct answers is a and d.