At the beginning of the year Adrian saving account balance is $28 each week he deposits another $15 into the account and he doesn’t spend any of his savings. is his savings account balance proportional to the number of weeks since that start of the year

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?

What is the area of a triangle with a base of 7x and height of 8x expressed as a monomial? question 5 options: 1x 15x2 28x2 56x2

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?