I think the answer should be A n goodluck
Answer:
The answer for part B is I think 92 and 92. And for part A she could get 97 and 97 as the test average would be 92.
Step-by-step explanation:
I kinda explained it in the answer yeah but I hope that helps.
The square root of 195 is 13. 195 squared (195×195) is 38,025. I do not know which way you needed it but I put both situations just in case.

has y = 0 as a solution.
Selection B is appropriate.
I got 16,000 tubes are sold in half a day because there are 720 minutes in 12 hours, and 43,200 seconds in 720 minutes then you divide by 2.7 and get 16,000