Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 0.03
B. x = 17
C. x = 8.5
D. x = 34
Answer: C
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Sketch the graph of the quadratic function.f(x) = 
(x + 2)2 + 4
A. 
B. 
C. 
D. 
A statement is made about correlation. State whether the correlation is positive or negative and whether the correlation is most likely due to coincidence, a common underlying cause, or a direct cause.Towns with a lot of churches had a lot of homicides last year. Towns with fewer churches had fewer homicides.
A. Positive correlation; direct cause B. Negative correlation; common underlying cause C. Positive correlation; common underlying cause D. Positive correlation; coincidence
Find the magnitude or direction angle of the given vector as indicated.u = 8[(cos 30°)i + (sin 30°)j]; Find the direction angle ?.
A. 45° B. 30° C. 120° D. 60°
Find the measure of each of the angles.In the figure below, ?DOE measures 33° and ?COD measures 100°.
A. ?BOC measures 33°; ?AOB measures 47°; ?AOF measures 100°; ?FOE measures 33° B. ?BOC measures 47°; ?AOB measures 100°; ?AOF measures 33°; ?FOE measures 47° C. ?BOC measures -43°; ?AOB measures 33°; ?AOF measures 100°; ?FOE measures -43° D. ?BOC measures 47°; ?AOB measures 33°; ?AOF measures 100°; ?FOE measures 47°