Solve the problem.A sprinkler rotates back and forth through an angle ?, as shown in the figure. At a distance of 8 feet from the sprinkler, the rays that form the sides of angle ? are 8 feet apart. Find ?.
A. 45°
B. 27°
C. 22°
D. 53°
Answer: D
Mathematics
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Find the indefinite integral.
?
?
Hint: 
What will be an ideal response?
Mathematics
Solve the inequality. Write the solution set in interval notation.(x + 2)(x - 1) ? 0
A. [-2, 1] B. (-?, -2] ? [1, ?) C. (-2, 1) D. (-?, -2) ? (1, ?)
Mathematics
Provide an appropriate response.What happens if C = 90° when the law of cosines is applied in the form 
What will be an ideal response?
Mathematics
Solve.
+ 
= 
A. 8, 0 B. 1, 0 C. -1, 0 D. -8, 0
Mathematics