What is the value of 4r^2-8 when r=3?

Ryan cleans his room for 3 minutes and 47 seconds. Melissa cleans her room for 5 minutes and 19 seconds. How much longer Melissa clean her room than Ryan?

Which of the lines below have a negative slope

A 2-column table with 5 rows. Column 1 is labeled Decimal with entries 0.1 6 repeating, 0.3 repeating, 0.5, x, 0.8 3 repeating. Column 2 is labeled Fraction with entries one-sixth, two-sixths, three-sixths, four-sixths, five-sixths.

You fill bags with cookies to give your friends. You bake 45 chocolate chip cookies, 30 peanut butter cookies, and 15 oatmeal cookies. You want identical groups of cookies in each bag with no cookies left over.

Twice x decreased by four is 36. what is x?

Describe the relationship between the value of the digits in the number 9,999,999

You will receive a 10% discount off your first cell phone bill. Your monthly cell phone plan charges a flat monthly fee of $10.00 plus $0.25 per minute.

Y less than x minus 3

What is the value of this expression when c = - 4 and d = 10?

Denise rented a bike for $12 for a month. She earned $31 a week for delivering newspapers. How much money did denise have if she delivered newspapers for 3 weeks