Trisha needs to drop off some party invitations. From home, she drives 10 kilometers east, 20 kilometers north, 10 kilometers west, 30 kilometers north, and 10 kilometers south. How many kilometers is Trisha from her home?

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?