A proportional relationship is represented on a graph with a line that has a slope of 40. What is the unit rate of the relationship?

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

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?