Determine whether the given equation is an identity.
+ 
= - 
A. Yes
B. No
Answer: B
Mathematics
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Simplify the expression. Write the answer with only positive exponents. All variables are nonzero.(12x4y2)-1(4x3y)2
A. 
x2
B. 
x1
C. 
x2
D. 
x-1
Mathematics
Determine the real solutions to the system of nonlinear equations.x2 + y2 - 6x + 2y + 6 = 0 x2 - y2 - 6x - 2y + 4 = 0
A. (3, 1), (3, -3) B. (5, -1), (-1, -1) C. (5, -1), (1, -1) D. (3, -1), (3, 3)
Mathematics
Use the accompanying graph of y = f(x) to sketch the graph of the indicated equation.y = 2f(x)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A circular swimming pool, 20 feet in diameter, is enclosed by a circular deck that is 4 feet wide. What is the area of the deck? Use ? = 3.1416.
A. 301.6 ft2 B. 584.3 ft2 C. 314.2 ft2 D. 703.7 ft2
Mathematics