Graph the ellipse.100x2 + 16y2 = 1600
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Add the given vectors.
A. R = 19.5, ? = 28.4° B. R = 47.0, ? = 204.6° C. R = 47.0, ? = 24.6° D. R = 19.5, ? = 208.4°
Mathematics
Find the measure of the indicated angle. Figure is not drawn to scale.
A. 25° B. 50° C. 65° D. 115°
Mathematics
Multiply.(5 - 
)(2 - 
)
A. 10 - 7
+ x
B. 10 - 7
- x
C. 10 - 6
D. 10 - 6x
Mathematics
Solve the problem.The formula 
gives the sum of the first five terms of a geometric series. Find a if 
and r = - 2.
A. 16 B. - 32 C. - 256 D. 64
Mathematics