If f(x) = -x + 4 and g(x) = x^2 - 5, then f(g(-2)) = ?
a) -5
b) -1
c) 5
d) 13
e) 31

Simplify the following expression 48^1/2

Mariano delivers newspaper. he always puts 3/4 of his weekly earnings in his savings account and then divides the rest equally into 3 piggy banks for spending at the snack shop, the arcade and the subway

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal