Answer:
r = 24 ft
Step-by-step explanation:
Circumference is given by
C = 2 * pi *r
We know that C = 48 pi
48 pi = 2 * pi * r
Divide each side by pi
48 pi /pi= 2 * pi * r/pi
48 = 2 r
Divide each side by 2
48/2 = 2r/2
24 = r
The answer is A . Hope this Helps
Answer:

Step-by-step explanation:
Complementary angles sum up to
.

Best Regards!
Answer:
Step-by-step explanation:

Answer:Im pretty sure it's quadratic
Step-by-step explanation:
The reason is because if you plot these on a graph they would make a "U" shape witch mean it's a parabola if it were exponential it would not make a "u" shape because it would keep going up and never come back down at a exponential rate.