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In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.

Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t.inv.2t to find the value of t for the interval calculation.

Match the scenarios with terms related to financial aid.pell grantstudent loanmerit-based scholarshiprichard is one of the leading college basketball players in the state of florida. he also maintains a good academic record. looking at his talent and potential, furman university offers to bear the expenses for his college education.anita wants to pursue a certificate program in sports nutrition. to pay for the course, she borrows money by filing the fafsa.nathan comes from a low-income household. he wants to pursue an undergraduate degree in marketing. he receives financial aid covering 50 percent of his college expenses. nathan does not have to pay back this amount.