Add or subtract as indicated.(x3y2 + 2x2y3 + 2xy - 3) + (x2y3 - 7x3y2 + 2xy - 5)
A. -8x3y2 + 3x2y3 + 4xy - 8
B. -6x3y2 + 3x2y3 + 2xy - 8
C. -6x3y2 + 3x2y3 + 4xy - 8
D. 2x3y2 - 5x2y3 + 4xy - 8
Answer: C
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Simplify. Write the answer using positive exponents only. Leave the answer in exponential notation.
-5
A. 
B. 
C. 
D. 
Find the measures of the indicated sides, angles, or diagonals of the given parallelogram.One side length of a parallelogram is given. The perimeter of ?HIJK is 43. Find the lengths of the other sides of the parallelogram. 
A. HK = 5
, HI = JK = 32
B. HK = 5
, HI = JK = 16
C. HK = 11, HI = JK = 32
D. HK = 11, HI = JK = 16
Solve the polynomial equation by factoring and then using the zero product principle.5x4 = 135x
A. {0, 3} B. {0} C. {0, 5, 3} D. {-3, 0, 3}
Solve the problem.If cos ? = - 
, and ? terminates in quadrant II, then find cos 2?.
A. 
B. - 
C. - 
D. 