Answer:
A
Step-by-step explanation:
Because it is a random sample
Answer:
I think that I am right. One train is traveling at 75 mph and the other train is traveling at 91 mph
Step-by-step explanation:
The answer for number 4 is 13 and number 6 is 121 and the last problem for number 7 is 112
Solving
S = 3F - 24
for F gives
S + 24 = 3F
(S + 24)/3 = F
The best choice is the last one:
F = (S + 24)/3