Here is the formula x-(x*.09)=90 the answer 98.9
Answer:
a and c are undefined.
b and d are zero.
Step-by-step explanation:
Vertical lines are undefined because of division by 0 (a and c).
The run is zero.
Horizontal lines have a slope of 0 (b and d).
The rise is zero.
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13.08x12 =156.96. All you have to do is multiply
