I need some help, anyone with a explanation on how to do this any help is appreciated:)

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?

What is 0.368,0.380,0.365,and 0.383 in order from least to greatest