Will give brainliest! if right!

a bag contains 5 red marbles, 7 green marbles, and 3 yellow marbles. if a marble
is drawn at random, what is the probability that the marble will be yellow?

a 1/5
b 4/5
c 1/4
d 3/4

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.