Answer:
Step-by-step explanation:
2m^2-m+4m^2+8m combine like terms
6m^2+7m
I hope it workssssssssssssssssssssss.
Answer:
x = 33.33 kilometers
Step-by-step explanation:
you could make use of the percent, base, and rate formula here. we know that 15% is the rate, 5 kilometers is the percent, therefore what we are looking for is our base.

; cross multiply.
15x = 500
x = 33.33 kilometers
therefore, the race is 33.33 kilometers.
Answer:
19.9 i think
Step-by-step explanation:
125/3.14=39.8
39.8/2=19.9
hope i helped
Answer:
Emma is right because Jon put ¨2.5¨ notebooks when there are really $5
Step-by-step explanation: