Determine if the given vectors are orthogonal, parallel, or neither.v = i + 
j, w = i - 3j
A. Orthogonal
B. Parallel
C. Neither
Answer: C
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Determine if the given polar coordinates represent the same point.(5, ?/6), (5, 7?/6)
A. No B. Yes
Write an expression that illustrates the intermediate steps required to mentally perform the specified computation using adjustment.68 + 33
A. 60 + 30 + 10 - 1 B. 60 - 30 + 11 C. 60 + 30 + 11 D. 68 + 2 + 33 - 2
Find the discount date and net payment date. (The net payment date is 20 days after the final discount date.)Invoice date: Mar 14Terms: 1/10 - 50x
A. Discount date: May 14; net payment date: Jun 4 B. Discount date: May 13; net payment date: Jun 2 C. Discount date: May 3; net payment date: May 23 D. Discount date: Apr 3; net payment date: Apr 23
Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income of $25,000 or more?
A. 0.55 B. 0.25 C. 0.45 D. 0.7