Colby wants to set square tiles on the top of a wooden box. the top of the box is a rectangle 7 1/2 inches long and 5 1/2 inches wide.
a. how many 1/2 inch tiles would colby need to cover the top of the wooden box?
b. how many 1/4 inches tiles would colby need to cover the top the wooden the box?

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 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 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

How many ordered pairs of positive integers satisfy xy=32?