Riley is saving up to buy a new television. She needs a total of $1,388.26. Riley has saved $200.86 already and earns $79.16 per week at her job. How many weeks does Riley need to work to save enough money to buy the new television?

The product of two negative rational numbers is always zero sometimes zero never zero

Find the quotient. 50a2 – 98b2 -5a +7b

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.