Solve the problem.Island A is 150 miles from island B. A ship captain travels 250 miles from island A and then finds that he is off course and 160 miles from island B. What angle, in degrees, must he turn through to head straight for island B? Round the answer to two decimal places. (Hint: Be careful to properly identify which angle is the turning angle.)
A. 34.92°
B. 110.17°
C. 55.08°
D. 145.08°
Answer: D
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Evaluate the integral.
A. 
+ C
B. - 
+ C
C. - 
+ C
D. 
+ C
Solve the problem.It takes 17 minutes to set up a candy making machine. Once the machine is set up, it produces 15 candies per minute. Use an inequality to find the number of candies that can be produced in 2 hours if the machine has not yet been set up.
A. at most 30 candies B. at most 1785 candies C. at most 510 candies D. at most 1545 candies
Find the vertex, focus, and directrix of the parabola. Graph the parabola.x2 - 12x - 12y + 108 = 0
A. vertex: (6, 6)
focus: (9, 6)
directrix: x = 3
B. vertex: (6, 6)
focus: (6, 9)
directrix: y = 3
C. vertex: (6, 6)
focus: (6, 3)
directrix: y = 9
D. vertex: (6, 6)
focus: (3, 6)
directrix: x = 9
Use a table of square roots or a calculator to approximate to the nearest thousandth.
A. 2.643 B. 2.651 C. 7.000 D. 2.646