Answer:

Step-by-step explanation:
The vertex form of an equation of a parabola:

(h, k) - vertex
We have

We must use the formula: 

Use the distributive formula a(b + c) = ab + ac

√45 + √125
= 3√5 + 5√5
= 8√5
Answer is C.
Hope it helps!
The first one is 37 and the second one is 49
The answer would be 13.73 to your question
Answer:
72%
Step-by-step explanation:
Divide 36 by 50 to get .72, and then convert it to a percentage