Find the angle between v and w. Round to one decimal place, if necessary.v = i + j and w = i + j - k
A. 0°
B. 66°
C. 90°
D. 35.3°
Answer: D
Mathematics
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, y > 0
A.
| ? |
B.
C.
 ? |
D.
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Multiply.(-3)(-7)(-10)
A. 210 B. -110 C. -220 D. -210
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Integrate the function f over the given region.f(x, y) = xy over the triangular region with vertices (0, 0), (10, 0), and (0, 7)
A. 
B. 
C. 
D. 
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Provide an appropriate response.If a ? b, is it always true that a + 6 ? b + 6? Explain.
What will be an ideal response?
Mathematics