Write an expression to describe the sequence below. Use n to represent the position of a term in the sequence, where n
1 for the first term.
-3, -2, -1, 0, ...
Help please it’s Ixl

Find the value of the variable and the length of each secant segment.

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?