Of the new cars in a car dealer's lot, 1 in 6 are white. today, 4 cars were sold.

a) what is the probability that 3 of the cars sold were white?
b) what is the probability that at least 2 of the cars sold were white?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

In the picture below, line pq is parallel to line rs, and the lines are cut by a transversal, line tu. the transversal is not perpendicular to the parallel lines. note: figure is not drawn to scale. which of the following are congruent angles?