Determine whether the statement is true or false.-913 = (-9)13
A. False
B. True
Answer: B
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Solve.A plane flying with a tailwind flew at a speed of 460 mph, relative to the ground. When flying against the tailwind, it flew at a speed of 350 mph. Graph the system to find the speed of the plane in calm air and the speed of the tailwind.
A. Speed of plane: 55 mph Speed of tailwind: 405 mph B. Speed of plane: 405 mph Speed of tailwind: 55 mph C. Speed of plane: 415 mph Speed of tailwind: 45 mph D. Speed of plane: 45 mph Speed of tailwind: 415 mph
Find the vertex and directrix of the following parabola.x2 + 24y- 24 = 0
A. Vertex (1, 0), directrix y = -5 B. Vertex (0, 1), directrix y = 7 C. Vertex (1, 0), directrix y = 3 D. Vertex (0, 1), directrix y = -5 E. Vertex (0, 0), directrix y = 4
Solve the problem.A bookcase is to be constructed with three shelves as shown. The height of the bookcase is 6 feet longer than the length of a shelf, and only 30 feet of lumber is available. What should be the width and height of the bookcase?
A. length = 12 feet; height = 13.5 feet B. length = 4.5 feet; height = 10.5 feet C. length = 3 feet; height = 9 feet D. length = 3 feet; height = 18 feet
Solve the equation. Round to the nearest hundredth, if necessary.3(k - 1.9) = -0.4(k - 5.6)
A. k = 2.34 B. k = -1.33 C. k = 1.33 D. k = 3.05