3. When measuring a trampoline, you are supposed to measure the diameter of the metal frame. If the metal frame has a diameter of 14 ft, what is the
CIRCUMFERENCE of the trampoline? Use 3.14 for pi and round your final answer to
the nearest foot (no decimal).
Pls answer quickly

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