Find the dot product v ? w.v = i + 4j, w = 7i - j
A. -3
B. 3
C. 11
D. 0
Answer: B
Mathematics
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Determine whether the triangles are congruent. If they are congruent, state why.
A. congruent; AAS B. congruent; SSS C. not congruent D. congruent; ASA
Mathematics
Find the exact solution to the equation without a calculator.tan-1 (tan x) = - 
A. - 
B. 0
C. 
D. - 
Mathematics
Convert.918 kiloliters to dekaliters
A. 918,000 dekaliters B. 91,800 dekaliters C. 0.918 dekaliters D. 9.18 dekaliters
Mathematics
Add or subtract. Express the answer as a mixed number.
A. 8
B. 16
C. 14
D. 15
Mathematics