Solve by completing the square.x2 + 4x = 7
A. -2 ± 
B. -2 ± 2
C. 2 + 
D. -1 ± 
Answer: A
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Provide an appropriate response.Look for a pattern in the sequence of figures shown below, and use your reasoning to draw the next figure.
A. 
B. 
C. 
D. 
Solve the problem.The pharmacist mixed 4.59 grams of one drug with 4.631 grams of another drug. What was the weight of the mixture?
A. 9.262 g B. 10.321 g C. 9.221 g D. 9.18 g
Solve the inequality.(x + 3)(x2 + x + 1) >
A. (-1, 1) B. (-3, ?) C. (-?, -1) or (1, ?) D. (-?, -3)
Solve the problem.The function A = Aoe-0.01386x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 600 pounds of the material are placed in the vault, how much time will need to pass for only 99 pounds to remain?
A. 140 years B. 260 years C. 130 years D. 135 years