Find the sum, regrouping when necessary.
A. 21,457
B. 22,467
C. 21,367
D. 22,357
Answer: B
Mathematics
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Find the area of the parallelogram.P1 (1, 2, 0), P2 (-3, 4, 3), P3 (0, -2, 4)
A. 
B. 6
C. 
D. 
Mathematics
Multiply the conjugates.(9 + 
)(9 - 
)
A. 86
B. 86 - 18
C. 86 + 18
D. 76
Mathematics
Write in standard form the equation of the ellipse with the given characteristics.center at the origin, an x-intercept at (9, 0), and a y-intercept at (0, 7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Simplify, where possible.5(x - 7)
A. 5x - 7 B. -35x C. 5x - 35 D. 5x + 35
Mathematics