Find all values of ? in [0°, 360°) that satisfy the equation.cos ? = 
A. 225°, 315°
B. 135°, 225°
C. 45°, 225°
D. 30°, 330°
Answer: D
Mathematics
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Solve the problem.To measure the width of a river, a surveyor starts at point A on one bank and walks 74 feet down the river to point B. He then measures the angle ABC to be 
Estimate the width of the river to the nearest foot. See the figure below. 
A. 32 ft B. 154 ft C. 67 ft D. 35 ft
Mathematics
Evaluate the expression by hand, if possible.log 0.001
A. 3 B. -10 C. -1 D. -3
Mathematics
Use estimation to determine which quotients is wrong.
A. 5,488,470 ÷ 195 = 28,146 B. 1,064,064 ÷ 24 = 44,336 C. 18,402,768 ÷ 82 = 220,424 D. 955,812 ÷ 26 = 36,762
Mathematics
Write interval notation for the graph.
A. (-7, -3] B. (3, 7] C. [3, 7) D. [-7, -3)
Mathematics