Something to remember is how to multiply terms with same bases, but different exponents:

Essentially, we add the exponents.
Using the information above, we can find our answer:

Our answer is
, or A.
Answer:
5 is a factor
Step-by-step explanation:
45s–35
45s = 5*9*s
35 = 5*7
45s–35 = 5(9s-7)
All you have to do is find the length of the sides using the distance formula and then add the lengths together to find the perimeter