solve the system of equations given below. a. (-2,4) b. (2,1) c. (4,-2) d. (1,2) 8x+4y=16 7y=15-x

What properties allow transformation to be used as a problem solving tool

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?

Find the domain of the following expression: 1/(√x)-2