A boat traveled 48 mi up a river in 4 hours. Returning downstream, the boat took 3 hours. What is the boat's rate in still water, and what is the rate of the river's current?
What will be an ideal response?
Boat: 14 mi/h; current: 2 mi/h
Mathematics
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Solve.Use the given graph of y = x2 - 2x - 15 to solve x2 - 2x - 15 = 0.
A. 5, 3 B. -3, 5 C. -5, 3 D. -5, -3
Mathematics
Convert as indicated.18,000 lb to tons
A. 9
tons
B. 10 tons
C. 8 tons
D. 9 tons
Mathematics
Find the y-intercept for the graph of the quadratic function.f(x) = x2 - 4
A. 16 B. -4 C. 4 D. -16
Mathematics
Name the quadrant or axis in which the point lies.(0, 8)
A. quadrant I B. quadrant II C. x-axis D. y-axis
Mathematics