State if the vectors a and b are perpendicular, parallel, or neither. If a and b are parallel, state whether they point in the same direction or in opposite directions.a = 
, b = 
A. Perpendicular
B. Parallel, opposite directions
C. Parallel, same direction
D. Neither
Answer: C
Mathematics
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Find the limit.
- 5
A. 5 B. -5 C. -1 D. -9
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Convert to decimal notation.8.849 × 10-5
A. 0.00008849 B. 0.000008849 C. 0.0008849 D. -884,900
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Solve the equation on the interval 0 ? ? < 2?.tan ? + sec ? = 1
A. 
B. {0}
C. No solution
D. 
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Solve the problem.A developer wants to build 11 houses each of a different design. In how many ways can she decide which houses will be on the north side of the street and which on the south side if 3 of the 11 houses are to be on the north side and the remainder on the south side?
A. 1331 B. 165 C. 990 D. 6
Mathematics