The slope of a vertical line is undefined, D.
If you were to try to solve use something like the rise over run method, you would end up with a 0 in the denominator. Since dividing by 0 gives you an undefined result, the slope would be undefined.
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<h2>
Answer:</h2>
The ice cream was ₹15
<h2>
Step-by-step explanation:</h2>
This is because the amount that was not given after Anjana gave the ₹50 note for ice cream is what the ice cream costed.
In this instant, we can use the ₹35 which was returned to Anjana, and substract it from ₹50, to get ₹15, which all together equals ₹50 and means that Anjana spend ₹15 on ice cream.
~Neo
