21. Find the cost per mile of a used tire with 15,000 miles of tread left on it if the tire costs $15. Include a mounting and balancing cost of $8 and a
disposal fee of $2 on the old tire.

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.