Find the square root.
A. 1
B. 
C. 6
D. 3
Answer: D
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Solve the problem.The wind is blowing at 10 knots. Sailboat racers look for a sailing angle to the 10-knot wind that produces maximum sailing speed. This situation is now represented by the polar graph in the figure shown below. Each point (r, ?) on the graph gives the sailing speed, r, in knots, at an angle ? to the 10-knot wind. What is the speed to the nearest knot, of the sailboat sailing at 60° angle to the wind? 
A. 6 knots B. 4 knots C. 5 knots D. 7 knots
Solve the problem.Barges from ports X and Y went to cities A and B. X sent 32 barges and Y sent 8. City A received 21 barges and B received 19. Shipping costs $220 from X to A, $300 from X to B, $400 from Y to A, and $180 from Y to B. $9360 was spent. How many barges went where?
A. 21 from X to A 11 from X to B 0 from Y to A 8 from Y to B B. 19 from X to A 13 from X to B 2 from Y to A 6 from Y to B C. 17 from X to A 17 from X to B 4 from Y to A 4 from Y to B D. 16 from X to A 16 from X to B 6 from Y to A 2 from Y to B
Determine the accuracy of the measurement; that is, give the number of significant digits for the measurement.
mi
A. 3 B. 6 C. 4 D. 8 E. 5
Translate the phrase into algebraic symbols. Use x to denote the number.A number decreased by thirty.
What will be an ideal response?