Add or subtract as indicated. Simplify, if necessary.- 
- 
A. - 
B. 
C. 
D. - 
Answer: A
Mathematics
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Write the vector v in terms of i and j whose magnitude 
and direction angle ? are given.
= 8, ? = 30°
A. v = 4i + 4
j
B. v = -4
i + 4j
C. v = 4
i + 4j
D. v = 4
i + 4
j
Mathematics
Round to the indicated place value.Round to the nearest one: 20.3
A. 20 B. 21 C. 19
Mathematics
Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log9 (x2 - 8x) = 1
A. {9} B. {1} C. {-9, 1} D. {9, -1}
Mathematics
Solve the problem.A card is drawn from a well-shuffled deck of 52 cards. What is the probability that the card will have a value of 3 and be a face card?
A. 
B. 0
C. 
D. 
Mathematics