The ratio of aspens to pines in a part of a forest is 12 to 16 if there are 12 pines, how many aspens are there?

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

Find the root(s) of f (x) = (x- 6)2(x + 2)2.

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20