17. Crystal's dog and puppy weigh 102 pounds combined. If Crystal's dog weighs 87 pounds, which equation could be used to find the weight of her puppy?​

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16