Miesha has 3 red pens and 2 black pens in her pencil case. If she selects two pens without looking what is the probability that: The first one will be black

The first will be black and the second will be black

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

If f(x) = 4 - x2 and g(x) = 6x, which expression is equivalent to (g-f)(3)? 06-3-(4 + 3)2 06-3-(4-33 6(3) - 4 +32 6(3) -4 -32

3x = 729 solve for x plz . it's urgent. will mark