A tree casts a shadow 18 feet long. At the same time, a vertical rod 12 feet high casts a shadow 4 feet long. How long is the tree?

M=-2, passes through (3,5)

A study is designed to test the effect of light level on exam performance of students. The researcher believes that light levels might have different effects on males and females, so wants to make sure both arc equally represented in each treatment.

Consider the quadratic equation. x^2=4x-5. How many solutions does the equation have? a.) one real solution b.) two real solutions c.) no real solutions d.) cannot be determined

Is - 6 greater then 5

Leanna guesses on four multiple choice test questions in a row. If each question has 3 possible answers, what is the probability that Leanna will guess the answer to the 4th question correctly? A. 1/81 B. 1/12 C. 1/3

In a bottle-filling process, the amount of drink injected into 16 oz bottles is normally distributed with a mean of 16 oz and a standard deviation of. 02 oz. Bottles containing less than 15.95 oz do not meet the bottler's quality standard.

Volume of solid of revolution?

Find the value of the following ratio 12/408

The heights in inches of 8 students are 50, 52,53,68,54,49,55,51. Is there an outlier in the data set if so which number is the outlier

What is 14 + 18 divided 2 times 18 - 7