Factor the four-term polynomial by grouping.7x - 63 + xy - 9y
A. (y - 9)(7x + y)
B. (x - 9y)(7 + y)
C. (x - 9)(7 + y)
D. (y - 9)(x + 7)
Answer: C
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Is the number 20,160 prime or composite? Explain.?
A. ?It is prime, because it is odd. B. ?It is prime, because the sum of the digits is not divisible by 3 or 9 and it is odd. C. ?It is composite, since the sum of the digits is divisible by 7. D. ?It is composite, since it is divisible by 7 and 11. E. ?It is composite, since 7 and 13 are factors.?
Graph the equation. Include the coordinates of any local extreme points and inflection points.y = 
A. local minimum: 
no inflection points
B. local minimum: 
no inflection points
C. local minimum: (0, 0)
inflection points: 
, 
D. local minimum: (0, 0)
no inflection points
Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement.~(~p ? ~q) ? (~r ? ~p)
A. True B. False
Can the following be the lengths of the sides of a right triangle?24, 32, 40
A. Yes B. No