Find the equation of the axis of symmetry of the parabola.y = -2x2 - 20x - 52
A. x = 2
B. x = 5
C. x = -5
D. x = -2
Answer: C
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Convert the base 10 numeral to a numeral in the base indicated.2874 to base 7
A. 114427 B. 112247 C. 114227 D. 112447
Write the compound statement in words.Let r = "The puppy is trained." p = "The puppy behaves well." q = "His owners are happy."r ? (p ? q)
A. The puppy is trained, the puppy behaves well, and his owners are happy. B. If the puppy is trained, then the puppy behaves well and his owners are happy. C. The puppy is trained and the puppy behaves well if his owners are happy. D. If the puppy is trained and the puppy behaves well, then his owners are happy.
Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Solve the problem.The weight W of an object on the Moon varies directly as the weight E on earth. A person who weighs 168 lb on earth weighs 33.6 lb on the Moon. How much would a 122-lb person weigh on the Moon?
A. 610 lb B. 0.2 lb C. 24.4 lb D. 323.6 lb