The answer is C) 24.
24 + 19 = 43.
43 - 24 = 19.
Answer: a=4
b=1600x
Step-by-step explanation:
5/4, 1.3, 1 8/25 is ur answer
Step-by-step explanation:

The area is 28.26
to find the radius you have to divide the diameter by 2 which you’ll get 3
then plug it into the equation
A=3.14•3^2