Is the following graph a linear function, nonlinear function, and/or a relation

Simplify the expression. enter the correct answer.

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

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that