Answer:
31.75 cm is equal to 12.5 in
Step-by-step explanation:
It mean 40 because it is in the tens place
~Jz
D. 160 you simplify the expression to get your answer.
Answer:
7 km
Step-by-step explanation:
Substitute:
The equation for area of a semi-circle is 
A = 
76.97 = 
Multiply by 2 on both sides:
2(76.97) = (
)2
153.94 = 
Divide by pi on both sides:
153.94 = 
/pi /pi
49.03 ≈ 
Find the square root:

7 = r