Answer:
12x +60
Step-by-step explanation:
c
d
0, 12, 36, 108
just plug n (1,2,3,4) into the equation and that’s your answer.
Answer:
the answer is the first choice please mark me brainliest
the radius: r^2 = 81
r =9
c = 2*pi*r
= 2 * pi * 9
= 18 *pi
Answer: 18*pi or approximately 56.62
The time when the two trains reach each other is 1.25 hours
The trains are 68.75 away from the city when they reach each other.
