Find the root.-
A. 4
B. -4
C. 16
D. Not a real number
Answer: B
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Solve the following system by any appropriate method. If there is no real number solution, so state.y = (x + 5)2 + 12x - y + 10 = 0
A. (-4, 2) B. (-4, 2), (4, 18) C. (-5, 0) D. (0, 10), (0, 26)
Solve the problem.The concentration of a drug in the bloodstream, measured in milligrams per liter, can be modeled by the function, 
where t is the number of minutes after injection of the drug. When will the drug be at its highest concentration? Approximate your answer rounded to two decimal places.
A. t = 3.65 minutes after the injection is given B. t = 4 minutes after the injection is given C. at the time of injection D. t = 0.55 minutes after the injection is given
Find the product AB.A = 
, B = 
A. 
B. 
C. 
D. 
What is a golden ratio? ?
A. the number 
B. the number 
C. the number 
D. the number 
E. the number 