A school had 498 students sign up for the trivia teams. If they wanted to have 26 teams with the same number of students on each team, how many more students need to sign up?

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

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.

Find two numbers if their sum is 91 and the ratio is 6: 7?