Evaluate the expression for the given replacement values.6y(2z - x) for x = 9, y = 4, z = 6
A. 144
B. 279
C. 18
D. 72
Answer: D
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Solve the application problem.Suppose that the two triangles shown in the figure are similar. Find x. 
A. x = 5 B. x = 4 C. x = 8 D. x = 9
The graph of an ellipse is given. Find the standard form of the equation of the ellipse. 
A. 
+ y2 = 1
B. x2 + 
= 1
C. x2 + 
= 1
D. x2 - 
= 1
Solve the problem.The magnitude and direction of two forces acting on an object are 35 pounds, 
, and 55 pounds, S30°E, respectively. Find the magnitude, to the nearest hundredth of a pound, and the direction angle, to the nearest tenth of a degree, of the resultant force.
A. 
= 57.04; ? = -23.6°
B. 
= 65.19; ? = -7.5°
C. 
= 49.17; ? = -11.3°
D. 
= 43.30; ? = 2.7°
Find the equation of the line with the given slope and y intercept.
A. 
B. 
C. 
D. 
E. 