Expectation of 24.0 mm and a standard deviation of 0.3 mm. what are the expectation and variance of the length of the machine part

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

What is the point slope form of a line with slope -5 that contains point (2,-1)

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.