Show me how to solve for xsquared - 21.75x = -15.75. i have the solution but do not know how to solve it.

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

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts