What are the signs of the x- and y-coordinates of points within each of the four quadrants in the coordinate plane?

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.

Iknow the answer but the calculator doesn't seem to give the right one

The number of students who ride a school bus is 110% of the number of students who walk. how many students ride the school bus?