Me ! urgent needed! if 85c - 170a = 306, and 255a + 85b = 714, then what is the average of a, b and c?

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

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

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct