Which of the following is a root of the polynomial shown below f(x)=x^3+2x^2-x-2

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]