So what the answer to this problem

A hot-air balloon is at an elevation of 4,800 feet if the balloon falls 40 feet per minute how long will it take for the balloon to reach 2000 feet

Are the following statements true or false? Give an exam- ple to illustrate your answer. a) Every integer is a whole number. b) The sum of two negative numbers is always negative. c) A negative number plus a positive number is always negative.

A circular pan has a diameter of 14 cm and a height of 17 cm how much water will it take to fill the pan

19. Tom has a collection of 30 CDs and Nita has a collection of 18 CDs. Tom is adding 1 CD a month to his collection while Nita is adding 5 CDs a month to her collection. Find the number of months after which they will have the same number of CDs.

In a certain box there are 7 blue marbles and 9 red marbles. drawing two marbles without replacement, what is the probability that

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.