Answer:
−10%change
10%decrease
Step-by-step explanation:
V2−V1)|V1|×100
=(135−150)|150|×100
=−15150×100
=−0.1×100
=−10%change
=10%decrease
Note: Percent Change is NOT the same as Percent Difference between 150 and 135.
Hope this helps!
First simplify the square roots:

Then simplify the last two terms:

Since 61 is prime, you can't take a rational root out of it.
Answer:
the answer is 0.9988747935
hope that works!!
I believe the answer is 0, but I could be wrong!