400 = 8b + y (subtract 8b from each side)
<u>-8b -8b </u>
400 - 8b = y
The answer is y = -8b + 400
i isolated y, which means i left it alone on one side of the equation
Average is usually the mean, which is the sum of the values divided by the number of values added.
(86+77+82+80+80)/5
405/5
81
Final answer: 81
D) If we sampled all days, the arithmetic average or expected number of tickets written would be 6.5 tickets per day.
Answer:
-4p^2-6p+1
Step-by-step explanation: