Skew lines are lines that are not pararell or perpendicular.
The only lines that fit this explanation are AE and GF
Hope this helps!
To find the average, add the cost of each book to get a total cost, then divide the total cost by the number of books purchased.
Total cost: 32 + 45 + 39 = 116
Average cost: 116 / 3 = 38.67
Answer:34.56
Step-by-step explanat 103.68 divded by 3 = 34.56
