Answer:
B
Step-by-step explanation:
-3 squared is 9
9 -(-3) =12
Stephen's heart beats 68 times in one minute
Step-by-step explanation:
60 sec (one min) divided by 15 sec ( the unit of time we use to track the 17 heartbeats) = 4
4 times 17 =68
Simplify both sides of the equation
M+-m+5m+7m = -12
Combine like terms
12m=-12
Decide both sides by 12
12m/12=-12/12
The answer is m=-1
Answer:
The Best answer will be D having to add 7 then subtracting 8, becoming -1, then dividing to become D.
Step-by-step explanation:
