The total weight of all the students in Mrs. Jones’s math class is 2,808
lbs. The mean weight is 140 lbs., rounded to the nearest whole pound.
How many students are in the class?

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Which of the following contains a variable?