A football team loses 3 yards, gains 12 yards, gains 10 yards, and then loses 15 yards. Did the team gain yards or lose yards overall? How many yards?
please show your work
patrick recorded the daily changes of the value of a stock in dollars: -3.40, -8.09, -2.46, 1.86, and 3.55 what was the average daily change in the stock's value in dollars?
