Evaluate the expression using a rule for exponents.(-3)0
A. 0
B. -3
C. -1
D. 1
Answer: D
Mathematics
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Solve the problem.For the vectors u and v with magnitudes 
= 5 and 
= 6, find the angle ? between u and v which makes 
= 3
A. 60.00° B. 53.13° C. 33.56° D. 36.87°
Mathematics
Find all the second order partial derivatives of the given function.f(x, y) = ex/y
A. 
= 
; 
= ex/y
; 
= 
= -ex/y
B. 
= 
; 
= ex/y
; 
= 
= -ex/y
C. 
= 
; 
= 
; 
= 
= 
D. 
= 
; 
= -ex/y
; 
= 
= ex/y
Mathematics
Provide an appropriate response.If you graphed x ? 6, would you use an open or closed circle? Explain why.
What will be an ideal response?
Mathematics
Write the matrix in reduced row-echelon form.
A. 
?
B.
?
C.
?
D.
?
E.
Mathematics