Find the exact value of the expression.tan 165°
A. 
B. 
C. 2 - 
D. -2 + 
Answer: D
Mathematics
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Evaluate the expression.(-7)2
A. -14 B. -49 C. 14 D. 49
Mathematics
Translate the sentence into an equation. Use x to represent the unknown number. The quotient of a number and 4 results in 10.
A. 
= 10
B. 4 - x = 10
C. 
= 10
D. 4x = 10
Mathematics
Use the Negative Exponent Rules to simplify. Write the answer with positive exponents. All variables are nonzero.7x-7
A. 
B. 
C. -7x
D. -49x
Mathematics
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: -1, 2, and 1 - 2i.
A. f(x) = x4 - x3 + x2 + 9x - 10 B. f(x) = x4 - 3x3 + 5x2 - x - 10 C. f(x) = x4 - x3 + 3x2 - 5x - 10 D. f(x) = x4 - 3x3 - 3x2 + 7x + 6
Mathematics