Answer:
-7
Step-by-step explanation:
-3m+5m=-14
2m=-14
divide both sides by 2
m=-7
The mean is when you add up all the numbers and divide by the amount of numbers there are.
143+312+41+28+308+619+321+352+465=2589
2589/9=287.666666667
round to the whole number you get
288
Answer:
Step-by-step explanation:
si que
Answer:
He is 15 years old.
Step-by-step explanation:
I hope this helps :)
