Parallel: line p with slope 2/5
Perpendicular: line n with slope -5/2
the other two would be neither.
Do 35 times 19 and that is the whole square inches or so 35 squared times 19 squared
If mark and 8 of his friends went out the total of people is 9, so if you think about it 9x9=81 so the total cost of the bill was $81
$12.79+$3.39=$16.18
$16.18+7.75% tax is $1.253
