Find the center and radius of the circle.x2 + (y + 5)2 = 16
A. (0, 5); 4
B. (0, -5); 4
C. (5, 0); 16
D. (-5, 0); 16
Answer: B
Mathematics
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Evaluate the expression.
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?
A. 
B. 
C. 
D. 
Mathematics
Estimate the indicated probability.College students were given three choices of pizza toppings and asked to choose one favorite. The following table shows the results.
A randomly selected student prefers a cheese topping.
A. .172 B. .569 C. .314 D. .054
Mathematics
Solve the equation. Write complex solutions in standard form.9x2 - 5x + 9 = 0
A. 
± i
B. 
± 
C. 
± i
D. 
± 
Mathematics
Solve the problem.Find the pH of a solution with a hydrogen ion concentration of 10-4.3 moles per liter.
A. 9.9 B. 4.3 C. 5.7 D. -4.3
Mathematics