18.6 in Which is the best approximation for the measure of angle

EGF?

32.8°

40.2

OOO

49.8°

57.2

What is the value of the expression below? (81^2)^1/8

What is the value of x in the this question ?

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