Find the length of the unknown side. Round your answer to the nearest whole number.
7 in
10 in
25 in
50 in
PLEASE HELP AND HURRY, IF ITS WRITE I WILL MARK YOU BRAINLIEST!!!

Is a positive integer raised to a negative power always positive

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)