Round 8.876 to the nearest whole number

Write an equation for the function that includes the points (2,100)and (3,100)

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?