What is the value of x in the equation 5(2x - 7) = 15x -10

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

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?