a zoo has a diameter of 3,480 feet and has a circular walking path around the entire zoo. if you walk around the entire zoo 3 times, how far did you walk

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

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Which of the following vectors are orthogonal to (2,1)? check all that apply