Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Answer: A
Mathematics
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The table lists some input-output pairs for an exponential function f. Use the table to find the requested value.Find f(0). 
A. 9 B. 3 C. 1 D. 0
Mathematics
Solve the equation.-8.7 + x = 14.1
A. 22.3 B. 4.9 C. 22.8 D. 5.4
Mathematics
Solve the equation.4(y + 4) = 5(y - 6)
A. -46 B. 14 C. 46 D. -14
Mathematics
Divide and express the result in standard form.
A. - 
+ 
i
B. - 
+ 
i
C. 
+ 
i
D. - 
- 
i
Mathematics