Answer:
28.25 square units
Step-by-step explanation:
A circumference of the circle is

where r is the radius of the circle.
So,

The area of the circle is

Substitute the value of the radius:
I am going to say 15 but I am not sure since there is no pic
Answer:
13
Step-by-step explanation:
Answer: a
reason:
if you take any of the numbers and plug it in it works
(5y - 1) + (-2y + 4) = 5y - 1 - 2y + 4
= 5y - 2y - 1 + 4
= 3y + 3 [OPTION B]