Inverse function of: F (x) = 7.50x

If 25% of cards in a deck are hearts, and there are 52 cards in a deck of playing cards, how many hearts are there?

what is (6-3w) (-w squared)

I'm having difficulty finding out what a slope is and does

Dublin plans to deposit $16,000 at the end of semiannual periods for 12 years into an investment account. The mutual fund containing stocks would continue to yield 8% semiannually. Find the future value.

Find the slope of the line that passes through the origin and (8, - 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.