Find the exact value of the expression.cos (60° + 45°)
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.A sequence of rational numbers {rn} is defined by r1 = 
, and if 
then 
Find r50.
A. 3 B. 49 C. 50 D. 2
Mathematics
Provide an appropriate response.Horizontal analysis shows the relationship of each item to total assets.
A. True B. False
Mathematics
Evaluate the absolute value expression.4
+ 5
A. 61 B. -61 C. -29 D. 29
Mathematics
Find the sum of the angle measures of the specified polygon.A 16-sided polygon.
A. 2700° B. 3240° C. 2520° D. 2880°
Mathematics