Is the relationship linear? How do you know?

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

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

Which graph represents the equation y =4x