What is the value of this expression when x=-1 and y=2 4x3y3

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

What is always true when two whole numbers are subtracted?