Amelia is training for a marathon this spring. In practice she runs 3 miles in 20 minutes. If she continues at the same rate, how many miles will she run in 1 hour? * A.6 miles
B.6.5 miles
C.9 miles
D.12 miles

C

Step-by-step explanation:

an hour is 60 mins and is 3 times as much as 20 mins so in 60 mins she will fun 3*3 miles or 9 miles.

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.