Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.One marble is green and one marble is red.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the area of the parallelogram.P1 (0, 0, 0), P2 (2, -4, 1), P3 (-1, 2, -1)
A. 
B. 
C. 
D. 
Mathematics
Simplify. 
? 
A. 
B. 
C. 
D. 
Mathematics
Find a rectangular-coordinate equation for the curve by eliminating the parameter.  figure 1.png)
 figure 2.png)
Mathematics
Identify the figure as a line, a ray, a line segment, or an angle. Then name the figure using the given points.
A. angle; ?ABD or ?DBA or ?B
B. angle; ?BAD or ?DAB or ?A
C. angle; ?BDA or ?DBA or ?D
D. line; 
Mathematics