Is one angle is 30° then what is the measure of its complement

Me asap! what is the slope of this line? enter your answer in the box.

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.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps