Robert works at a car dealership. each month, he receives a base salary of $1,685.00, plus a commission of $465.00 for each vehicle he sells. which of the following equations could be used to determine robert's total income each month? (let x represent the number of cars sold by robert and y represent his total monthly income.)
a.
$1,685y = $465x
b.
y = $465x + $1,685
c.
y = $465x
d.
y = $1,685x + $465

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