Tanθ=

a. 1 - cot^2 θ
b. 1/cot θ
c. 1 + sec^2 θ

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 expression is equivalent to 42x-56y

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form