Can someone help me please In the diagram, VWX and XYZ are congruent equilateral triangles, and ∠VXY is 80o. What is the measurement of ∠VWY?

vwx = xyz

xwy and xyz are equilateral triangles

m, vxw = 80

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