Parenthesis 3 plus negative square root of 16 parenthesis 6 minus negative square root of 64

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.