What's in between 80 and 81

Which shows two expressions that are equivalent to (-7) (-15) (-5) ? A. (-7) (-75) and (-1) (525). B. (-1) (525) and (35) (-15) C. (35) (-15) and (115) (-5) D. (-1) (525) and (115) (-5)

A cosmetics company makes three batches of a nail polish color called Purple Dusk using the recipe shown. Each batch contains a different total amount of polish. Drag numbers to show how much of each color should be used in each batch of Purple Dusk.

If the simple interest on 6000 for 9years is 3240 then what is the interest rate

Write 9/50 as a percent

Y=6x-15; (8,), (-1,), (5,)

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.