Write the expression with positive exponents, and simplify if possible.9-1 ? 4-3
A. - 
B. 
C. 
D. 
Answer: B
Mathematics
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Sketch the line.y + 3 = 0
A. 
B. 
C. 
D. 
Mathematics
Write the equation of the line with the given conditions.passing through (2, 4) and perpendicular to the line with equation -4x + y = 3
A. y = - 
x + 
B. y = - 4x - 18
C. y = - 
x - 
D. y = 
x - 
Mathematics
Factor, if possible.9x2 - 6xt - 8t2
A. Prime polynomial B. (3x - 4t)(3x + 2t) C. (3x - 4t)(3x - 2t) D. (3x + 4t)(3x - 2t)
Mathematics
The major axis of an ellipse is horizontal, and the vertices of the major axis are 
and 
. The minor axis is vertical, and the vertices of the minor axis are 
and 
. Write the equation of the major axis.
A. 
B. 
C. 
D. 
E. None of these
Mathematics