Image ! everytime i solve the equation i keep getting 22.9 and its not the answer so can someone explain to me how to find the area

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

Solve 2^x=32 and rewrite this equation in a logarithmic form

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?