Find the angle between the vectors u and v if 
, and 
Round your answer to two decimal places.
A. 1.41°
B. 0.00°
C. -1.24°
D. -1.93°
E. 0.96°
Answer: B
Mathematics
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At one high school, the mean time for running the 100-yard dash is 
with a standard deviation of 0.9 seconds. The times are normally distributed.Find the percent of times that are above 15.2 seconds.
A. 68% B. 34% C. 50% D. 48%
Mathematics
Find the inverse of the function represented by the set of ordered pairs.f: {(-1, 14), (11, -14), (-20, 10)}
A. f-1: {(-1, -14), (-1, 11), (10, -20)} B. f-1: {(14, -1), (-14, 11), (10, -20)} C. f-1: {(14, -1), (-20, 11), (10, -14)} D. Not invertible
Mathematics
Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = 7x3 + 33x2 - 9x + 5; x + 5
A. Yes B. No
Mathematics
Sketch the graph of the function.
?
?
A. ?
B. ?
C. ?
D. ?
E.
Mathematics