I got C. -14x - 2
I might be wrong
<h3 /><h3>

</h3>
To find slope we use the formula ~
[ Ratio of the difference of y - coordinates of the points and the difference of x - coordinates of the points ]
let's find the slope of line passing through the given points ~
<h3>1. (10 , -9) and (-4 , -14) </h3>
<h3>2. (16 , 6) and (-4 , -14)</h3>
<h3>3. (9 , -4) and (5 , -20)</h3>
<h3>4. (-13 , 20) and (-18 , 20)</h3>
I hope it helps ~
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Your answer would be 74 if you are looking for the answer.
We will have that for the previous year, he had in the account:

For the year previous to that one, he had:

For the previous year to that, he had:

For the year previous to that one, he had:

For the second year that the money was in the account, there was:

And the orinial ammount of money that was in the account was:

From this, we know that Jhon had originally $1400.37 in the bank account.