Circumference of circle= 2*idonthaveapisymbol*r
2pir
Or
Pi x diameter = 3.14 * 20
2(3.14)(10)
Answer:
Noah ran faster noah ran 8 and 1/3 in 1 hour
Step-by-step explanation:
Answer: 3x
Step-by-step explanation:

260 can ride the ferris wheel in 2 hours.

130 people is the rate per hour.
Answer:
1/9
Step-by-step explanation:
this is (-3)^(0-2) = (-3)^(-2) = 1 / 9.