Put the equation y=3/4x-5 into standard form

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

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

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?