If 3x - 3y = 9 and x + y = 5. then x equals...?​

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

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.)