What is the answer to 7 1/5 - 6 2/5 = ?

Lee walked a total of 4.48 miles. he walks 1.4 miles each hour. how long did lee walk?

If f (x) = 3x^2+15, what is the value of f (4).

If a call is sampled at random, the conditional probability that the call is not "6+" minutes long given that it is a long distance call is:

Simplify the imaginary number square root of - 12

How do you do zero pairs

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.