Find the product.2y3(2y + -5)(y + 3)
A. 2y4 + -30y3
B. 6y4 + -30y3
C. 4y5 + 2y4 + -30y3
D. 4y5 + -30y3
Answer: C
Mathematics
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Simplify.
A. -6
B. -6
C. 6
D. Not a real number
Mathematics
Evaluate the expression.
A. 
B. 
C. 72
D. 2!
Mathematics
Multiply the polynomials.(5y - 9)(-9y2 - y + 6)
A. -45y3 + 39y - 54 B. -45y3 + 76y2 + 39y - 54 C. -45y3 + 86y2 + 39y - 54 D. -14y2 + 39y - 54
Mathematics
Express the sum or difference as a product.sin 
+ sin 
A. 2 sin 
sin x
B. 2 sin 
cos x
C. 2 cos 7x sin x
D. 2 sin 7x
Mathematics