Evaluate the expression when a = 7 and y=-3.

y-9a

If the factors of a polynomial are x+2 and x+6, what values of x make that polynomial 0

Whenever Sabrina visits the gym, she lifts weight for 8 minutes and runs on the treadmill for 35 minutes. Write two equivalent expressions and find the total minutes that Sabrina exercise for 5 days.

John's room is shaped like a box. It has a flat ceiling that is a rectangle that is 14 feet long and 9 feet wide and the walls are 7 feet high. It has one door that is 6 feet high and 3 feet wide.

What is 1 and 3/4 divided by 4/5

A hospital parking lot charges $2.50 for the first hour or part thereof and $1.25 for each additional hour part thereof a weekly pass cost $38 and allows unlimited parking for seven days if each visit John he makes to the hospital last one and a

The height reached by amal's rocket was 1/4 of the height reached by min's rocket. Amal's rocket REAched a height of 15 meters. Which equation could be used to find the height reached by min's rocket

a lab technician must screen 175 slides under the microscope each week. if she works 7 hours a day, 5 days a week, how many slides, on average, must she screen in one hour?

Lisa bought five CDs from the store. The price of each CD was the same. After she bought the CDs, her account balance showed a change of - $64.95. What would have been the change to Lisa's account balance had she only bought one CD from the store?

how do i add this 9 7/8 + 6 5/8 + 3 3/8

The displacement, d, in millimeters of a tuning fork as a function of time, t, in seconds can be modeled with the equation d = 0.6 sin (3520rt). What is the frequency of the tuning fork? A, 1/3520 Hz B. 1/1760 Hz C. 1760 Hz D. 3520 Hz