Write the standard form of the equation of the circle with the given center and radius.(0, 5); 
A. x2 + (y - 5)2 = 6
B. (x + 5)2 + y2 = 36
C. (x - 5)2 + y2 = 36
D. x2 + (y + 5)2 = 6
Answer: A
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Multiply.
A. 93,004 B. 92,894 C. 92,914 D. 92,904
Perform the indicated operation
Solve the problem.The power dissipated in an electric circuit is given by the expression 
where R is the resistance of the circuit and I is the current through the circuit. For a sinusoidal alternating current, the current might be represented by the relation 
where A is the amplitude, f is the frequency, and t is time. Write an expression for P involving the sine function, and use a fundamental identity to write P in terms of the cosine function.
A. P = RA sin2(2?f t) ; P = RA - cos2(2?f t) B. P = RA2 sin2(2?f t) ; P = - RA2 cos2(2?f t) C. P = RA2 sin2(2?f t) ; P = RA2 - RA2 cos2(2?f t) D. P = RA sin2(2?f t) ; P = RA - RA cos2(2?f t)
Solve the problem.From a 
-lb package of ground beef, a 
-lb hamburger was made. How much ground beef is left in the package?
A. 
lb
B. 
lb
C. 
lb
D. 
lb