Mary received grades of 72 and 86 on her first two English tests. What must be her grade be on the next test if her average for the three tests is
to be at least 80?

the correct answer is x/3+10≥32

hope this !

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!

1260=3*6*7*10=3^2*2^2*7*5 perfect cude = 3^3*2^

step-by-step explanation: