Simplify. Do not use negative exponents in your answer.(a-5b-4)(a-4b-7)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the coordinates of the point C shown below.
?
?
?
A. (-2, 3) B. (3, -2) C. (-4, -5) D. (-5, -4) E. (-5, -2)
Mathematics
Use the given transformation to evaluate the integral.  FIGURE 1.png)
xy dA,where R is the region in the first quadrant bounded by the lines y = x, y = 3x and the hyperbolas xy = 2, xy = 4;  figures 4.png)
, y = v.
What will be an ideal response?
Mathematics
Combine the complex numbers.(4 - 9i) + (-4 + 9i)
A. 8 - 18i B. 0 C. -8 + 18i D. -8 - 18i
Mathematics
Let ? be an acute angle. Find the unknown trigonometric value using the given information.cos ? if sec ? = -7
A. 
B. - 
C. - 
D. 
Mathematics