Find parametric equations for the line described below.The line through the point P(3, 4, -5) parallel to the vector 
A. x = -4t - 3, y = 3t - 4, z = -5t + 5
B. x = -4t+ 3, y = -3t + 4, z = 5t - 5
C. x = 4t - 3, y = -3t - 4, z = -5t + 5
D. x = 4t + 3, y = -3t + 4, z = -5t - 5
Answer: D
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Find the tax refund or tax due for the following people. The letter following the name indicates the marital status. Assume a 52-week year and that all married people are filing jointly. Use $4050 for each personal deduction, a standard deduction of $6300 for single taxpayers, $12,600 for married taxpayers filing jointly, and $9300 for head of household and the tax rate schedule.
A. $335.55 due B. $16,646.90 refund C. $16,646.90 due D. $335.55 refund
Simplify. Write your answer with positive exponents only.
A. 
B. 
C. 
D. 
Decide whether the ordered pair is a solution of the given system.
A. Yes B. No
Solve the problem.If (a, 3) is a point on the graph of y = 2x - 5, what is a?
A. 4 B. -1 C. 1 D. -4