The number of books, N, sold after t days is given by the function
N(t) = - 21t+ 28
A) How many books are sold after twenty days?
8 books
28 books
2 books
0 books

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

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.)