In how many ways can two integers be selected from 60 consecutive positive integers so that their sum is even?

What is the value of the expression below? (81^2)^1/8

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation