What is the slope of a line that is parallel to a line whose slope is 4?

Evaluate the following expression 1/3^2

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

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?