Find the product.

-7 (-a2) (-b3)

The quantity n varies jointly with the product of z and the square of the sum of x and y. When n is 18, x = 2, y = 1, and z = 3. What is the constant of variation?

A standard deck of 52 playing cards has 4 suits with 13 different cards in each suit. How many different five-card hands are possible? A) 260 hands B) 2,598,960 hands C) 24,380 hands D) 311,875,200 hands

Calculate the measure of each exterior angle of a 90 sided regular polygon. Explain.

Maggie drank 4 5 liter of water Monday before going jogging. She drank 2 3 liter of water after her jog. How much water did Maggie drink altogether? Write your answer as a mixed number

Which function rule represents h (x) as an independent function? f (x) = 6x2-3x-9 g (x) = 2x2+4x+8 h (x) = f (x) - g (x) Answer Choices: h (x) = 4x2-7x-17 h (x) = x+x h (x) = 4x2+x+1 h (x) = x-x h (x) = 4x2-x-1 h (x) = - 4x2+7x+17

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.