That is correct since the line in T is not straight it would eventually hit the third quadrant
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4 squared+ 12 squared= c squared
16+144=160
Square root 160
so your answer would be 12.6
It’swould be the second one
15% off means 85% on so I would use .85x · 6 = total monthly cost to represent this problem. The dot represents times (I did not want to confuse things by using x)
Other ways to express this:
6 x .85x
6(.85x)
.85x (6)
