There are 4 blue marbles, 15 red marbles and 20 black marbles. The favorable outcome is selecting a blue marble. Which phrase BEST describes the probability of selecting a blue marble? A
unlikely

B
impossible

C
likely

D
1

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.

What is the slope of the line? a. -5/2 b.2/5 c. 5/2 d.7/2