Answer:
false
Step-by-step explanation:

- Factor the indicated expression:

- Simplified the index, the root and also the exponent using the number 2.

<h3><em><u>MissSpanish</u></em> </h3>
Answer:
Decreased by 40%!
Step-by-step explanation:
At first it goes down by 10%, then 30%, so you just add them together and get decreased by 40%.
The answer is 19 degrees F.
15 - (-4) = 19