There are blue, red and yellow marbles in a bag. The probability of choosing a blue marble is 1/8, and the probability of choosing a red marble is 1/2. What is the probability of choosing a yellow marble?
Please explain

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.