Which type of graph would display the volunteer totals for each of the 20 clinics

Ineed if you could explain and give me the answer you! this needs done

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) .

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation