Oscar lends his brother $125.00 and charges him 5% interest. How much will Oscar's brother pay back for the loan?

Can someone me do math because i am having a breakdown rn because i don’t get it

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile