how to solve

question 1---- Given P(A) = 0.79, P(B) = 0.18, P(B|A) = 0.23, what is P(A and B)?

and then question 3 which is the attachment

Question 3 0 / 1 point The following table lists the number of unicyclists in Corvallis, OR. by age group. Age Group Frequency $19 40 20-29 99 30-39 80 40-49 6 50-59 83 60-69 65 270 80 What is the probability that a randomly selected unicyclist from Corvallis, OR. is not between 50 and 59? Answer in decimal form. Round your answer to 3 decimal places