Who to write a number in a scientific form

John brought 2/5 cups of chocolate chips to Sue's house so that they could bake cookies. Sue already has 3/4 cups of chocolate chips. How many more cups of chocolate chips does Sue have than John?

Can a non-polynomial times a non-polynomial equals a polynomial?

You sell t-shirts for a fundraiser. It costs $112 to have the t-shirts made. You make $98 in sales. What is your profit?

Evaluate the following expression. 70 Evaluate the following expression. 70 Simplify. y-3 Evaluate the following expression. 5-3

1/2 gallons equal how many cups

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.