Circle a has center of (5, −2) and a radius of 7, and circle b has a center of (7, −8) and a radius of 35. what steps will show that circle a is similar to circle b?

rotate circle a 90° counterclockwise about the center.
translate circle a using the rule (x − 2, y + 6).
reflect circle a over the y-axis.
dilate circle a by a scale factor of 5.

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books