Margie calculated that she would spend $175 on school supplies this year. she actually spent $ 97.50 on school supplies . what is margie's percent of error?

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

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y