Part of Rafael's monthly pay stub is shown. Based on these deductions, what was his net pay? Enter your answer rounded to the nearest cent, such as: 4253.64. Earnings $4166.67
Pre-tax deductions 401(k) $250
Employee health plan contributions $184.27
Employee dental plan contributions $12.54
Taxes Fed income tax withholding $403.57
FICA $284.57

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step-by-step explanation:

points a and b are equidistant from the desired line, so the line you find by using them will go through point r.

using points other than a and b will give the desired line only if they are equidistant from r. if they are randomly located, the perpendicular line you create will not necessarily go through point r, hence will not be a solution to the problem.