Do you know it is 1157 divided by 9

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.

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents