Suppose xy=-2 and dy/dt=-4. Find dx/dt when x=-1.

What's a span time between noon and 5 o'clock?

Frankie paid a certain price for his bike and marked it up to 1/4 of the price he paid in order to re sell it. He ended up selling his bike for 100$ what is the original price?

One number is 1/2 another number. The sum of the two numbers is 33. Find the two numbers.

What is the sum or difference of 652,198 + 49,753

9/6 + 1/2 whats the answer

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.