Find the mean of the set of data. Round to the nearest tenth.3, 9, 14, 3, 3, 13, 14, 13, 13, 9, 14, 9, 13
A. 11.0
B. 10.3
C. 10.1
D. 10.0
Answer: D
Mathematics
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Write as a common fraction.9.7
A. 
B. 
C. 
D. 
Mathematics
Match the equation with the surface it defines. 
+ 
= 1 
A. Figure 2 B. Figure 4 C. Figure 1 D. Figure 3
Mathematics
Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = 3i + 7i - 2k, v = 0
A. 0; 3i + 7i - 2k
B. 0; no direction
C. 0; 
(3i + 7i - 2k)
D. 
; 
(3i + 7i - 2k)
Mathematics
For an arc length s, area of sector A, and a central angle ? of a circle of radius r, find the indicated quantity.r = 10 cm, s = 25 cm, find ? in radian measure
A. 250? B. 2.5? C. 2.5 D. 250
Mathematics