Answer:
D
Step-by-step explanation:
The answer would be 30x-10
Answer:
15.21= 15.2 when rounded
Step-by-step explanation:
the formula for finding the area of a circle with the diameter is
A= 1/4 × π ×d^2
42/.15=280
So 280
You divide 42 by 15%
15 percent is .15