Evaluate the expression.
A. 6
B. 2
C. 2
D. 
Answer: B
Mathematics
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Rewrite the equation in standard form. Find the center and radius of the circle.x2 + y2 + 16x + 60 = 0
A. (x + 8)2 + y2 = 4 center (-8, 0), r = 2 B. (x - 8)2 + y2 = 4 center (8, 0), r = 2 C. x2 + (y + 8)2 = 4 center (0, -8), r = 2 D. (x + 8)2 + y2 = 4 center (8, 0), r = 2
Mathematics
Use a graphing calculator to make a conjecture as to whether each equation is an identity.sin 2x = 2 sin x
A. Not an identity B. Identity
Mathematics
Provide an appropriate response.Overdraft protection is a good substitute for reconciling your bank account on a regular basis.
A. True B. False
Mathematics
Determine if the given ordered triple is a solution of the system.(5, 4, -3)x - y + z = 12x + y + z = 6x + y - z = -4
A. solution B. not a solution
Mathematics