79 is 4 below 83 so her next grade needs to be 4 above in order to get an average of 83. The answer is 87.
I don’t know if you meant 7 hours or 7 1/2 hours, but if it was in 7 hours, the answer would be around 15 square feet. If it was 7 1/2 hours, it would be 14 square feet.
Answer:
28
Step-by-step explanation:
i think hope this helps
Answer:
c) 72
Step-by-step explanation:
multiply 18 by 4
Use pothomath that app is good
For math