A bag contains 4 green marbles, 5 yellow marbles and 6 red marbles. What is the probability of selecting a yellow or red marble? Justify your answer.

The probability of winning something on a single play at a slot machine is 0.11. after 4 plays on the slot machine, what is the probability of winning at least once

Can someone me and do the problem plz so i can understand it more better

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.