Simplify the expression without using a calculator.
A. - 
B. - 16
C. 
D. 16
Answer: D
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Find the exact value of the expression in degrees without using a calculator or table.sin-1 
A. 60° B. 135° C. 120° D. 45°
Solve the system by substitution.
A. (0, 4) B. (1, 3) C. (3, 1) D. (1, 4)
Solve.At the end of last year, Widgets Unlimited, Inc. posted a net income of -$186.4 billion. If this continues, what would its income be after three years?
A. -$559.2 billion B. -$5592 billion C. $559.2 billion D. -$189.4 billion
Determine the degree of each term of the polynomial.576n4 + 128n3 + 9000nm3 + 2000m3
A. 576n4: degree 0; 128n3: degree 0; 9000nm3: degree 3; 
B. 576n4: degree 4; 128n3: degree 3; 9000nm3: degree 1; 
C. 576n4: degree 576; 128n3: degree 128; 9000nm3: degree 9000; 
D. 576n4: degree 4; 128n3: degree 3; 9000nm3: degree 4; 