64 is equal to 40% of a number n. Write and solve an equation to find n. Write the percent as a decimal. Equation: $$ Solution: n=

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

If 25% of y is 30, what is 60% of y?

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?