Jamie is standing next to a tree. She is 5.5 feet tall, and her shadow is 2 feet long. The tree's shadow is 12 feet long. Explain how she can use the shadows to find the height of the tree...

Determine the area of a triangle with (see picture below)

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average

Factor these polynomials and explain how 1. 12x - 3x^2 2. 20 - 240x^2