John gets paid $6 for each of the first 40 toy cars he makes in a week. for any addition toy cars beyond 40, his pay increases by 50%. how much does john get paid in a week in which he makes 48 toy cars?

225/100 of last years cost. write each fraction as a decimal and as a percent

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

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?