400 divided by 5 = 80.
Needs to bag at least 80.
Answer:
Scale factor of 2
Step-by-step explanation:
The base legnth of the after image is 8 and the original base legnth is 4 so 8/4=2
Distribute
to every term inside the parentheses.

Simplify with multiplication.

You can't simplify further by adding, so leave the answer as-is.
(x+6)(x-6) is the corrector factoring if what you meant was x^2-36
The third one C because .07 is just 7 9/100 is 9 and then 5/8 is around .50 then .75