Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor 2/5 ?

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

What is the measure of angle tvu shown in the diagram below

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)