The following is a list of P/E ratios (current stock price divided by company's earnings per share) for 21 companies. 57, 53, 50, 46, 42, 35, 31, 56, 52, 49, 45, 51, 51, 48, 48, 44, 44, 44, 40, 40, 40
Draw the histogram for these data using an initial class boundary of 30.5 and a class width of 6. Note that you can add or remove classes from the figure. Label each class with its endpoints.

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12