While on a car trip with her family, erin saw a sign that read," armarillo 100 miles, lubbock is 80 miles". she concluded that the distance from armarillo to lubbock is 100 - 80=20 miles. was she correct?

Which of these tables represents a non-linear function?

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

X= 3y - 6 2x - 4y = 8 solve the system of equations using substitution. a) (-12,-2) b) (15,7) c) (21,9) d) (24,10)