Richmond High School purchased 90 graphing calculators for $110 each. The school received a manufacturer's rebate of $10 per
calculator. After the rebate, what was the total cost of the
calculators?

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

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls