Decide whether the figure is convex or concave.
A. Convex
B. Concave
Answer: B
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Determine whether the statement is true or false.All composite numbers are also abundant numbers.
A. True B. False
If the equation represents a hyperbola, find the center, foci, and asymptotes. If the equation represents an ellipse, find the center, vertices, and foci. If the equation represents a circle, find the center and radius. If the equation represents a parabola, find the focus and directrix. 25x2 + 9y2 + 350x + 180y + 1900 = 0
A. C: (-7, -10); V: (-4, -10), (-10, -10); F: (-1.2, -10), (-12.8, -10) B. C: (-7, -10); V: (-7, -5), (-7, -15); F: (-7, -6.0), (-7, -14.0) C. C: (-7, -10); V: (-2, -10), (-12, -10); F: (-3.0, -10), (-11.0, -10) D. C: (-7,-10); V: (-7, -7), (-7, -13); F: (-7, -4.2), (-7, -15.8)
Sketch the graph of a function y = f(x) that satisfies the given conditions.f(0) = 0, f(1) = 4, f(-1) = 4, 
f(x) = -4.
What will be an ideal response?
Solve the problem.A plane flies 430 miles with the wind and 310 miles against the wind in the same length of time. If the speed of the wind is 24 mph, what is the speed of the plane in still air?
A. 138 mph B. 148 mph C. 153 mph D. 173 mph