Find the exact value of the expression. Do not use a calculator.sin 330° sin 270°
A. - 
B. 
C. - 
D. 
Answer: B
Mathematics
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Solve the problem.A drill press cost $5,000 and has an estimated life of 8 years and a scrap value of $300. Find the book value at the end of 6 years using the straight-line method. Round to nearest dollar.
A. $1,475 B. $3,525 C. $1,250 D. $4,413
Mathematics
Find the exact value of the logarithmic expression.log9
A. 9
B. 
C. 1
D. 
Mathematics
Solve the system by substitution.x + 7y = -23x + y = 34
A. {(7, 12)} B. {(12, -2)} C. {(3, 7)} D. {(-2, 3)}
Mathematics
Provide an appropriate response.Solving for which variable in which equation involves the least amount of work? 8x = 56x - 4y = 23
A. x in equation 1 B. y in equation 2 C. x in equation 2 D. y in equation 1
Mathematics