A. A line containing point x B. A plane containing point z
I need help please

Can someone me do math because i am having a breakdown rn because i don’t get it

Consider the function f(x)=-5x+3 what is f(-2)

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?