Colin bought 2 theater tickets and paid a service charge of 5% for buying themfrom a ticket broker. write an algebraic expression to represent the total cost ofthe tickets. let x represent the cost of each ticket.

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if