Find v ? u.v = 
and u = 
A. 
B. 
i
C. 
i - 
j
D. 0
Answer: A
Mathematics
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Give an appropriate answer.Given the function f(x, y) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures 
< ?.f(x, y) = 
; ? = 0.12
What will be an ideal response?
Mathematics
Solve the quadratic equation.5x2 - 9x - 2 = 0
A. -5, 2
B. - 
, 5
C. - 
, 2
D. 
, - 
Mathematics
Solve the problem.If the first and third of three consecutive odd integers are added, the result is 69 less than five times the second integer. Find the third integer.
A. 23 B. 21 C. 46 D. 25
Mathematics
Factor completely. If the polynomial is prime, say so.15y2 - 18y
A. -3y(5y + 6) B. 3y(5y + 6) C. y(15y - 18) D. 3y(5y - 6)
Mathematics