Which of the following expressions is not equivalent to -5?

25 ÷ (-5)
-35 ÷ 7
-5 ÷ 25
35 ÷ (-7)

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. 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.

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?