A certain forest covers an area of 3900 km2. Suppose that each year this area decreases by 4.25%. What will the area be after 15 years? Use the calculator provided and round your answer to the nearest square kilometer.

A particle moves on a line away from its initial position so that after t hours it is s = 4t^2 + t miles from its initial position. Find the average velocity of the particle over the interval [1, 4]. Include units in your answer.

There are six read a yellow to blue and for green marbles in a black bag. What are the odds of reaching into the black bag and selecting a single yellow marble

What decimal part of 80 is 60

4 granola bars are shared equally between 8 people. What fraction of a granola bar does each person receive?

How can you figure out what x is in the function: g (x) = 1/3-4/3x? I saw that someone had posted that x = - 5, but how do you come up with that number? wouldn't it depend on what G is? or knowing Y? confused

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.