Multiply.(x - 4)(x + 1)(3x + 3)
A. 3x3 + 6x2 + 21x - 12
B. 3x3 - 6x2 - 21x - 12
C. 3x3 - 21x2 - 6x - 12
D. 3x3 - 12
Answer: B
Mathematics
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Simplify. Assume that each variable is nonnegative.
A.
B.
C. 1
D.
Mathematics
Add.-20 + 18
A. -2 B. 38 C. -38 D. 2
Mathematics
Find the solution set of the equation. If the equation has no solution write ? and if the equation is an identity so state. - 3 =
A. {-2} B. {3} C. {9} D. {-3}
Mathematics
Round to the indicated place value.Round to the nearest tenth: 137.25
A. 137.3 B. 137.25 C. 137 D. 137.2
Mathematics