Factor completely. If the polynomial is prime, state so.50x2y - 98y
A. prime
B. 2y(5x + 7)2
C. 2y(5x - 7)2
D. 2y(5x + 7)(5x - 7)
Answer: D
Mathematics
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and cos ? = 
.
A. 
B. 
C. - 
D. - 
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A. Concave down B. Concave up
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Mathematics