What is two and two thirds minus one and nine fifteenths

What are the possible values that probability can have?

From leat to gratest 68%,0.63 and 13/20

Jillian is making curtains for her room. She has fabric for each curtain that is 1.6 meters in length. She folds the bottom of the fabric up to make each curtain 8 centimeters shorter. How long is each curtain after Jullian has shortened them?

Enter the rational number as a/b, where a and b are integers: 2 1/4

Cindy's truck get 16 miles per gallon plans to buy a hybrid car that gets 48 miles per gallon and cost 20,599 how many miles what Cindy have to drive the new car to recover her investment through money saved on gas if gas costs 3.49 per gallon

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.