Answer:
m=-12
Step-by-step explanation:
Not sure where the 8 comes from, but you would subtract 9 from the left side. The result is -12.
72 stickers if there are 90 in total subtract 18 and boom 72
Answer:
she only needs to work ten hours
Explanation: if you subtract 45 from 115 you well end up with 70 a and if you work for ten hours 7 ×10=70 so you would have enough.
The average of the given base lengths is the length of the midsegment:
... (72 + 104)/2 = 176/2 = 88