A set of college student heights are normally distributed with a mean of 170.4 centimeters and a standard deviation of 10 centimeters.

Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?