Ralph has grades of 93, 88 and 76, and he has a report grade to average with these three. Which inequality could
be used to determine the lowest grade x he can make on the
report to have an average of at least 87?

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

bull

step-by-step explanation:

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.