Multiply the polynomials and simplify by combining like terms.(4x)(3x - 1)(6x + 7)
A. 70x2 + 61x - 28
B. 68x3 + 62x2 - 26x
C. 18x3 + 15x2 - 7x
D. 72x3 + 60x2 - 28x
Answer: D
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The combined area of a square and a rectangle is 102 square centimeters. The width of the rectangle is 2 centimeters more than the length of a side of the square, and the length of the rectangle is 4 centimeters more than its width. Find the dimensions of the square and the rectangle.
A. 5 centimeters by 7 centimeters and 11 centimeters by 11 centimeters B. 7 centimeters by 7 centimeters and 5 centimeters by 9 centimeters C. 5 centimeters by 5 centimeters and 7 centimeters by 11 centimeters D. 5 centimeters by 5 centimeters and 7 centimeters by 9 centimeters E. none of these
Solve the problem.Elaine had 41 buttons and her grandmother donated 5 cards of buttons to the collection. Elaine sorted the buttons into 9 piles, putting 9 buttons in each pile. How many buttons were on each card from Elaine's grandmother?
A. 8 buttons B. 76 buttons C. 39 buttons D. 73 buttons
Write the binomial expansion of the expression.(3x2 + 2)3
A. (9x4 + 12x2 + 4)3 B. 81x8 + 27x6 + 54x4 + 36x2 + 8 C. 27x3 + 54x2 + 36x + 8 D. 27x6 + 54x4 + 36x2 + 8
Use a calculator to estimate the limit.
A. 0 B. -1 C. Does not exist D. 5