Find the mean of the set of data. Round your answer to the nearest tenth.10, 3, 5, 10, 10, 12, 5, 12, 12, 3, 5, 3, 12
A. 7.6
B. 7.8
C. 8.3
D. 8.8
Answer: B
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?Express the slope of the line containing the points (0, 0), (8, 500) if x represents the time (in hours) and y represents the number of miles driven. ?
A. ?250 miles driven in 4 hours. B. ?62.5 miles driven per hour. C. ?Both a and b D. ?125 miles driven per 1/2 hour. E. ?None of the above.
Evaluate the factorial expression.
A. 1 B. 90 C. 10 D. 45
The point P on the unit circle that corresponds to a real number t is given. Find the indicated trigonometric function.
?Find cos t.
A. 
B. - 
C. - 
D. 
A geometric sequence is given. Find the common ratio and write out the first four terms.{tn} = 
A. r = 
; t1 = 
, t2 = 
, t3 = 
, t4 = 
B. r = 
n; t1 = 
, t2 = 
, t3 = 
, t4 = 
C. r = 
n; t1 = 
, t2 = 
, t3 = 
, t4 = 
D. r = 
; t1 = 
, t2 = 
, t3 = 
, t4 = 