Solve the problem.How many times more intense is an earthquake that measures 6 on the Richter scale than an earthquake that measures 1?
A. 100,000
B. 10,000
C. 5
D. 50
Answer: A
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Solve the problem.In a distant solar system the diameter of planet A is 7 times as great as the diameter of planet B. The diameter of planet B is 707 miles. Find the diameter of planet A.
A. 4849 mi B. 4942 mi C. 4939 mi D. 4949 mi
Solve by completing the square.n2 = 8n - 15
A. 5 B. 5, 3 C. -5, -3 D. no real-number solution
Determine whether or not the function is one-to-one.
A. No B. Yes
Find the vertex, focus, and directrix of the parabola with the given equation.(x + 1)2 = 12(y + 3)
A. vertex: (-1, -3) focus: (-1, 0) directrix: y = -6 B. vertex: (-3, -1) focus: (-3, 2) directrix: y = -4 C. vertex: (-1, -3) focus: (-1, -6) directrix: x = 0 D. vertex: (1, 3) focus: (1, 6) directrix: y = 0