Dan is selling his comic book collection on the internet. The equation of the line of best fit for this data is y = -10x + 90, where y is comic books left and x is
the number of days he has been selling. What is the number of comic books he will have at the end
of the 7th day?

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) .

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°