Evaluate the expression. Make sure you simplify.
A. 
B. 2
C. 14
D. 26
Answer: C
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Solve the problem.The parabola x2 = -20y is shifted 4 units up and 7 units to the left. Find the focus and directrix of the new parabola.
A. Focus: (-7, 9); Directrix: y = 9 B. Focus: (-7, -1); Directrix: y = 9 C. Focus: (7, -9); Directrix: y = -9 D. Focus: (-7, -1); Directrix: y = -1
Provide an appropriate response.A point is 1 percent of the amount of the loan.
A. True B. False
Richter scale Use the formula 
In October 2004, an earthquake measuring 6.8 on the Richter scale occurred in Japan. The largest quake in Japan since 1990 was one in 1993 that registered 7.7. How many times more severe was the 1993 shock than the one in 2004 on the Richter scale?
a. 0.6 times as severe b. 4.4 times as severe c. 7.9 times as severe d. 8.3 times as severe e. 11 times as severe
Evaluate.12 - x2 for x = -3
A. 3 B. 18 C. 6 D. 21