I believe the answer for 17 is C. 18 I am not sure how to do. For 19, however, the answer is B. Hope I help, and sorry I can't answer 18.
Given
Given

SolutionStep 1Find slope


Substitute the given points into the slope formula

step 2Equation of a line


Step 3

The final answerOption B
Answer:
PV = 6 and PT = 3
Hope it will help :) see pic ❤
I'm trying to figure this on out for my homework to I will tell you when I have it.
The quantity of water in the tank after 9 days is 19 liters.
<h3>How much water is in the tank after 9 days?</h3>
The exponential equation that can be used to determine the quantity of water in the tank after 9 days is : 9728 x (0.5)^t
Where t is equivalent to the number of days
9728 x (0.5)^9 = 19 liters
To learn more about mathematical equations, please check: brainly.com/question/26427570
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