The height of an isosceles trapezoid is 15 cm and its bases have lengths of 30 and 10 cm. Find the measures of all the angles of the trapezoid.

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m