Answer:
1st, 3rd and 4th
Step-by-step explanation:
Only 2nd is false
1-2m-5m=15
combine like terms
1 -7m = 15
subtract 1 from each side
1-1-7m = 15-1
simplify
-7m = 14
divide by -7
-7m/-7 = 14/-7
m = -2
1.875 commercials a minute
The answer is C::+3.5625
the correct answer is 22 and 12