Evaluate the expression when y = 2. 4 + y + 7 13 15 18 22

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 greater volume 72 quarts or 23 gallons

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?