Perform the indicated operation.(-6 + x2 - 4x) + (-4x - 5 + x3) + (-4x + 4 + 3x3)
A. 4x3 + x2 - 12x - 2
B. 4x3 - 3x2 - 8x - 7
C. 4x3 + x2 - 12x - 7
D. 5x3 - 12x - 7
Answer: C
Mathematics
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Solve the equation.18(x - 72) = 36
A. 72 B. 36 C. 70 D. 74
Mathematics
Find the product.(x + 11y)(x - 4y)
A. x2 + 7xy - 44y2 B. x2 + 4xy - 44y2 C. x + 7xy - 44y D. x2 + 7xy + 7y2
Mathematics
Find the product.3
× 2
A. 6
B. 6
C. 7
D. 12
Mathematics
Solve.A windmill is constructed having blades 18.7 feet long. The length of the blades will be the radius of the circle which the windmill will sweep. What is the circumference of the circle which the windmill will sweep? (Use 3.14 for ?.)
A. 117.436 ft B. 113.696 ft C. 56.848 ft D. 58.718 ft
Mathematics