The area of a trapezoid is 864 cm2. It has a height of 24 cm, and the length of one of its bases is 30 cm. What is the length of the other base?

38 cm

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180