The sum of two numbers is −4. If one number is subtracted from the other, their difference is 2. Find the numbers.

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

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.