Factor: -12n - 20,
a. -4(3n-5)
b. 4 (3n-5)
c. -4 (3n+5)
d. 4 (3n+5)

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?

4+(2+x) can you me solve this problem

What is the difference between the equations of a vertical and a horizontal line?