The quantities x and y are proportional find the constant of proportionality in the equation y = rx

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

The ratio of wooden bats to metal bats in the baseball coach’s bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000