What is the slope of a line that passes through the origin and the point (-2,1)?

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

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.

If the discriminant if a quadratic equation is 4 which statement describes the roots?