Perform the indicated operation.
? 
A. - 
B. - 
C. 21
D. 
Answer: B
Mathematics
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Find the exact value of the expression if ? = 60°. Do not use a calculator.f(?) = sin ?Find 4 f(?).
A. 2
B. 2
C. - 
D. - 
Mathematics
Write the negation of the statement.q ? (p ? r)
A. ~q ? (p ? r) B. ~q ? (p ? r) C. ~q ? ~(p ? r) D. q ? ~(p ? r)
Mathematics
Solve.Mike works on commission selling electronic equipment. The linear function 
describes his annual income I when his total sales for the year are s. Graph the linear function.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the function.Find h(3, 6) when h(x, y) = 
.
A. 10
B. 9
C. 3
D. 5
Mathematics