The table shows exam scores of students who watched a certain number of hours of television per week:
hours of tv 1 2 3 4 5 6 7 8 9 10
exam score 98 96 95 94 90 85 81 80 75 72
calculate the correlation coefficient.
-0.99 -0.89 -0.79 -0.69

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?