Find the product AB, if possible.A = 
, B = 
A. 
B. 
C. 
D. AB is not defined.
Answer: B
Mathematics
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Solve the problem.If v = -3i + 3j + k, find a vector perpendicular to both v and i + j.
A. -5i + 5j - 6k B. -i + j - 6k C. i + j - 6k D. i - j + 4k
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Multiply or divide measurement numbers, rounding to the correct precision.43 mi/hr × 2.6 hr
A. 118.2 mi B. 112 mi C. 112.8 mi D. 111.8 mi
Mathematics
Simplify the expression. Assume all variables represent positive real numbers.
A. 6
B. 2
C. 5
D. 15
Mathematics
Evaluate without using a calculator.sin ?, if cot ? = 8 and sec ? < 0
A. - 
B. - 
C. 
D. - 
Mathematics