Question: Simplify

.
First off, you <em>never</em> want square roots on the bottom of a fraction, so let's multiply both sides by

to get rid of it. All we have to do from there is simplify!
I think c, 36 cubic feet. I’m not sure though
Answer:
48
Step-by-step explanation:
5 x^2 +x
Let x = 3
5 * 3^2 +3
Exponents first
5 * 9+3
Multiply next
45+3
48
The equation that represents the time spent on the exercise by Serena will be t = 10 + s
<h3>How to compute the equation? </h3>
From the information given, it was stated that Serena does 10 minutes of endurance exercises. and that she plans on doing s minutes of strength exercises.
Therefore, the equation that represents the time spent on the exercise will be t = 10 + s
Learn more about equations on:
brainly.com/question/2972832
Answer:
3. x=16
4. x=51
Step-by-step explanation:
3. 3x-8=x+24
2x=32
x=16
4. 2/3(x+27)= 180-(3x-25)
2/3x+18=180-3x+25
11/3x=187
11x=561
x=51