Order these numbers from least to greatest: 1/2, 0, 1, -1 1/2, -1/2, -1

Aof 12 , we to a of 4 to on a .of 4 be ?

Louis wants to give \$15 to kids who need school supplies. he also wants to buy a pair of shoes for \$39. how much money will he have to save for both?

Asa a yogurt shop allows its customers to add, for no charge, 3 toppings to any yogurt purchased. if the store has 18 possible toppings, how many different 3-topping combinations can a customers choose?