Factor the expression.7y3 - 21y2
A. 7y(y2 - 3)
B. 7(y3 - 3y2)
C. 7y2(y + 3)
D. 7y2(y - 3)
Answer: D
Mathematics
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Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x3 + 5x2 - 36x - 180
A. Prime B. (x - 6)2(x + 5) C. (x2 - 36)(x + 5) D. (x + 6)(x - 6)(x + 5)
Mathematics
Solve the system by using the inverse of the coefficient matrix. 5x + 4y = 86x - 3y = 33
A. {(3, -4)} B. {(-4, 3)} C. {(-3, 4)} D. {(4, -3)}
Mathematics
Rationalize the denominator of the expression.
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?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the sum using the Commutative and Associative Properties.10 + 35 + 90 + 50 + 65 + 50
A. 310 B. 235 C. 200 D. 300
Mathematics