Evaluate the integral.
A. 
B. 
C. 0
D. 
Answer: D
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Find the exact value by using a half-angle identity.tan 75°
A. -2 + 
B. 2 + 
C. -2 - 
D. 2 - 
Use a proportion to solve the problem.It takes Emma 22 minutes to type and spell check 6 pages of a manuscript. Find how long it takes her to type and spell check 9 pages. Round answers to the nearest whole number if necessary.
A. 198 min B. 33 min C. 2 min D. 22 min
Solve the problem.The inequality 
? 17 describes the range of monthly average temperatures T in degrees Fahrenheit at a City X. (i) Solve the inequality. (ii) If the high and low monthly average temperatures satisfy equality, interpret the inequality.
A. T ? 55; The monthly averages are always less than or equal to 
B. 10 ? T; The monthly averages are always greater than or equal to 
C. 21 ? T ? 55; The monthly averages are always within 
D. 10 ? T ? 66; The monthly averages are always within 
Solve the problem.If (-1, -1) is the endpoint of a line segment, and (-4, -3) is its midpoint, find the other endpoint.
A. (-5, -7) B. (-7, -5) C. (5, 3) D. (-7, 1)