Add.2x4 - 6x3 + 9x2 - 3
A. 4x4 - 12x3 + 13x2 + 1
B. 4x8 - 12x6 + 13x4 + 1
C. -9x4 - 9x3 + 6x2 - 4
D. 5x18 + 1
Answer: A
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Solve the problem.Two points A and B are on opposite sides of a building. A surveyor selects a third point C to place a transit. Point C is 45 feet from point A and 70 feet from point B. The angle ACB is 52°. How far apart are points A and B?
A. 55.2 ft B. 94.2 ft C. 103.9 ft D. 70.6 ft
Find the value of the variable that satisfies the equation.10x + 1 = 4 + 3x
A. x = 
B. x = 
C. x = 
D. x = - 
Use the Factor Theorem to determine whether x - c is a factor of f. If it is, write f in factored form, that is, write f in the form 
f(x) = 2x3 + 16x2 + 39x + 45; c = -5
A. No B. Yes; f(x) = (x - 5)(2x2 + 6x - 9) C. Yes; f(x) = (x + 5)(2x2 + x + 9) D. Yes; f(x) = (x + 5)(2x2 + 6x + 9)
Find the area of the shaded region.
Give your answer in square feet.
A. 4 ft2 B. 48 ft2 C. 96 ft2 D. 16 ft2