Of the automobiles produced at a particular plant, 40% had a certain defect. a. what is the probability that more than 50 cars will need to be inspected before one with the defect is found? b. what is the probability that the twentieth car inspected will have a defect? c. suppose a company purchases five of these cars. what is the probability that exactly one of the five cars has a defect?

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?