Endee was asked to prove that any angle that forms a linear pair with a right angle must be a right angle. he drew the diagram shown. then he wrote the following 2-column proof. which describes the error, if any, in endee's proof.

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

Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?

Hundred and tens tables to make 430 in five different ways