Answer:
b
Step-by-step explanation:
F(X)=13 Just Plug 10 into the X in the equation
Pi D = 100 pi = distance once around
1000 pi = distance ten times around
1000 pi meters/1000meters/km = pi km
= 3.14 = 3.1 km
Answer:
9,670
Step-by-step explanation:
8,219.5 ÷ 85% (0.85) = 9,670