Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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The table shows points that all lie on the same line. Find the slope-intercept form for the line.
A. y = 5x + 5 B. y = x - 2 C. y = 5x - 2 D. y = -2
Mathematics
Solve the problem.The gross national product for the United States was 
. Round this amount to the nearest ten-billion.
A. $53,400,000,000,000 B. $53,350,000,000,000 C. $53,351,000,000,000 D. $50,000,000,000,000
Mathematics
Find the length of the section represented by x in the figure. 
a = 2
b = 13
A. 7
B. 13
C. 8
D. 19
Mathematics
Select the first five terms of the sequence. (Assume that n begins with 1.)
?
?
A. 
?
B.
?
C.
?
D.
?
E.
?
Mathematics