Three eights of the cast in a musical have to sing. what fraction of the cast does not have to sing

Solve the equation by completing the square. x^2+2x=17

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)