Write the expression as a pure imaginary number.
A. 5
B. 5
i
C. -5
i
D. -5
Answer: B
Mathematics
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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = xyi + xj; C is the triangle with vertices at (0, 0), (10, 0), and (0, 6)
A. 60 B. 90 C. 0 D. - 70
Mathematics
Write the phrase as an algebraic expression. Let x represent the unknown number.twelve less than a number
A. 12 + x B. x ÷ 12 C. 12 - x D. x - 12
Mathematics
Graph.f(x) = -x2 - 2x - 9
A. 
B. 
C. 
D. 
Mathematics
Solve the given equation by finding the unknown value.? - 7 = 15
A. 8 B. 22 C. 0 D. 15
Mathematics