What triangle congruence postulate would you use to prove these triangles are congruent.

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Select all the statements that apply to this figure

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.)