Melanie spent $40 in 4 hours while shopping at the mall. How much money has changed hands? A) $10 B) $40 C) - $10 D) - $40

Adding subracting rational 6 3/4 - 1 1/2

you want a $300 couch as soon as possible. how much would you have to save every month for 5 months to afford tht couch? for 4 months? for 3 months

The volume n divided by ten is one hundred

Leandra drank 4 bottles of water over 9 volleyball practices. How much water did Leandra drink each practice. If she drank the same amount each time?

How many solutions are in the equation 3x^2+4x-7=0?

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.