The last answer is correct, Solved it.
Lets take a quick look at the rate of change in the graph. Apologies for how blurry the image is, but we can see for every minute 3 gallons of water gets poured in the tank. So, the answer would be 3!
The roller coaster gains speed in the matter of time but then loses speed
A Line graph
<em>Sure hope this helps you</em>
160 + 35
All you have to do is subtract 195 with any number you like under 195 and then You have to numbers to add that equals 195 :-)