13) There are 12 books to every 8 magazines in the library. If there are 1,140 books in the library, how
many magazines are there?

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Drag statements and reasons to each row to show why the slope of the line between d and e is the same as the slope between e and f, given that triangles a and b are similar.