Add or subtract as indicated.(9x2y2 + 5y4) + (7x2y2 - 12y4)
A. 16x2y2 + 7y4
B. 63x4y4 - 60y8
C. 16x2y2 - 7y4
D. 16x4y4 - 7y8
Answer: C
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Find the numerical value of the expression for 
and 
A. a) 
b) 
B. a) 
b) 
C. a) 
b) 
D. a) 
b) 
Solve.A jet plane traveling at a constant speed goes 1200 miles with the wind, then turns around and travels for 1000 miles against the wind. If the speed of the wind is 50 mph and the total flight took 4 hours, find the speed of the plane in still air.
A. 550 mph B. 525 mph C. 605 mph D. 435 mph
Draw a valid conclusion from the following argument or write “no conclusion is possible:” If a quadrilateral is a square, then it has four congruent sides and four congruent angles. If a quadrilateral has four congruent sides, then it is a rhombus. SOFT is a square.
What will be an ideal response?
Multiply.(4x - 3)(3x - 2)
A. 7x2 - 17x + 6 B. 12x2 - 17x - 17 C. 12x2 - 17x + 6 D. 7x2 - 17x - 17