Evaluate the expression.2 ? (5 - 1)2
A. 64
B. 18
C. 50
D. 32
Answer: D
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Use similar triangles to help solve the problem.
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An airplane ascends 160 feet as it flies a horizontal distance of 1,000 feet. How much altitude will it gain as it flies a horizontal distance of 1 mile? (Hint: 5,280 feet = 1 mile.) Round your answer to the nearest integer.
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A. x = 870 ft B. x = 813 ft C. x = 845 ft D. x = 885 ft E. x = 833 ft
Evaluate the integral.
A. 
sin9x + 
sin 7x + C
B. 
cos 2x + 
cos 16x + C
C. 
sin 2x - 
sin 16x + C
D. 
sin 2x + 
sin 16x + C
Solve the problem.The difference in the standardized values of Q3 and Q1 is about
A. 0.5. B. 3. C. 1.35. D. 0.675. E. 1.
Find the vertex, focus, and directrix of the parabola with the given equation.(y - 4)2 = 12(x + 2)
A. vertex: (4, -2) focus: (7, -2) directrix: x = 1 B. vertex: (2, -4) focus: (5, -4) directrix: x = -1 C. vertex: (-2, 4) focus: (1, 4) directrix: x = -5 D. vertex: (-2, 4) focus: (-5, 4) directrix: x = 1