Provide an appropriate response. Last week Sean was $890 in debt. Today he has $1110. How much better off is he today?
A. $220
B. -$2000
C. $2000
D. -$220
Answer: C
Mathematics
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Determine whether the given function satisfies a Laplace equation.f(x, y) = e10ysin 10x
A. Yes B. No
Mathematics
The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (-1, -3, 2) B. (-3, -2, 2) C. (-18, -2, 2) D. Inconsistent
Mathematics
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.1 ? 4 + 2 ? 4 + 3 ? 4 + . . . + 4n = 
What will be an ideal response?
Mathematics
Solve using the multiplication principle.6.1x = 42.7
A. 
B. 36.6
C. 35.7
D. 7
Mathematics