Find the surface area of the cone. h = 12 ft, r = 5ft, l = 13 ft

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Which of the following is correct interpretation of the expression -4+13

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