It takes Julie 15 minutes to put all of her son's toys in the toy box. While she tries to put away his toys, her son is constantly pulling toys out of the toy box and putting them back on the floor. It takes him 20 minutes to empty the toy box by himself. How long will it take Julie to put away all the toys if her son keeps trying to pull them out?

Consider a graph for the equation y= -3x+4. what is the y intercept? a) 4 b) -4 c) 3 d) -3

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?

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota