add and simplify  9/16=1/2=?

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

If 3x+8=3x+8 is it one solution or no solution

Is the figure congruent? yes or no?