Subtract.(4m2n - 4mn + 4mn2) - (9m2n + 9mn - 6mn2)
A. -5m2n - 3
B. -5m4n2 - 13m2n2 + 10m2n4
C. -5m2n - 13mn + 10mn2
D. -5m4n2 - 13mn + 10m2n4
Answer: C
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Provide an appropriate response.List and count all the combinations possible for Cody, Dorthea, and Lauren to be seated in three adjacent seats at a football game.
A. Cody, Dorthea, Lauren; Cody, Lauren, Dorthea; Dorthea, Cody, Lauren; Dorthea, Lauren, Cody; Lauren, Cody, Dorthea; Lauren, Dorthea, Cody; 6 different ways. B. Cody, Dorthea, Lauren; Cody, Lauren, Dorthea; Dorthea, Cody, Lauren; Dorthea, Lauren, Cody; Lauren, Cody, Dorthea; Lauren, Dorthea, Cody; 3 different ways. C. Cody, Dorthea, Lauren; Dorthea, Lauren, Cody; Lauren, Cody, Dorthea; 3 different ways. D. Cody, Dorthea, Lauren; Dorthea, Cody, Lauren; Lauren, Cody, Dorthea; Cody, Dorthea, Lauren; Lauren, Cody, Dorthea; Dorthea, Cody, Lauren; 6 different ways.
Find the magnitude and direction angle of the vector v. Round the direction angle to the nearest tenth of a degree when necessary.v = -2i + 5j
A. 
, 68.2°
B. 7, 291.8°
C. 29, 111.8°
D. 
, 111.8°
Find the value of the exponential expression.212
A. 23 B. 42 C. 882 D. 441
Sketch the graph of the function and find the domain and range.f(x) = x2 - 4
A. 
domain: {x|-? < x < ?}
range: {y|y ? -4}
B. 
domain: {x|-? < x < ?}
range: {y|y ? 4}
C. 
domain: {x|-? < x < ?}
range: {y|y ? 0}
D. 
domain: {x|-? < x < ?}
range: {y|y ? -4}