Factor out the GCF.28wx - 12wy - 8w
A. w(28x - 12y - 8)
B. 4w(7x - 3y - 8w)
C. 28w(x - 12y - 8)
D. 4w(7x - 3y - 2)
Answer: D
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Determine if the function is increasing or decreasing over the interval indicated.y = 4x2 ; x > 0
A. Decreasing B. Increasing
Solve the system of equations. If the system is inconsistent or has dependent equations, say so.
A. {(9, - 8, - 6)}
B. {(x, y, z) 
}; dependent equations
C. {(-9, 8, 6)}
D. ?; inconsistent system
Find the values of x such that the given function has the stated value.h(x) = -x2 + 9x + 20; h(x) = 40
A. {-5, -4} B. {5, 4} C. {5, -4} D. {-5, 4}
Solve the right triangle.
B = 58.45°, a = 515.9 mGive side lengths to two decimal places.
A. A = 31.55°; b = 840.23 m; c = 985.97 m B. A = 31.55°; b = 788.64 m; c = 985.97 m C. A = 31.55°; b = 840.23 m; c = 998.62 m D. A = 31.55°; b = 891.82 m; c = 972.40 m