Line M is represented by the following equation: x - y = 8 Which equation completes the system that is satisfied by the solution (18, 10)?

1) 2x - y = 26
2) x + y = 18
3) 2x - 2y = 36
4) x - y = -28

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

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)