Find the vertex of the given function y=x^2+6x+8. A.(4,2)
B.(-4,-2)
C.(-3,1)
D.(-3,-1)

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?