Does that look right or am I supposed to multiply and get 52.7

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse