Answer:
-1/3
Step-by-step explanation:
Right on edge2020
Answer:
It is linear. It is linear because it is a strait line which means that it is a function. A not linear line would look like a noodle.
To find the sum:

Therefore the answer is a^3+12a^2+14a+5.
Hope it helps!
In order to find the speed at which the boat is traveling, we divide the distance it has traveled by the time elapsed:
2.5/20=0.125 miles/minute
Next, we want to find how long it took for the boat to travel 10 miles. Since it travels 0.125 miles every minute, we just divide:
10/0.125=80
Thus, it took 80 minutes for the boat to reach the bridge