Piano lessons cost $30 per lesson. Find ordered pairs that represent the total cost for x number of lessons. Check all that apply. (–1,–30) (0,30) (1,30) (1.5,50) (3,90)

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

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?