What is the solución of the equation x2-2x-22=0?

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles