Solve the problem.A box with no top is to be constructed from a piece of cardboard whose width measures x in. and whose length measures 5 in. more than its width. The box is to be formed by cutting squares that measure 1 in. on each side from the four corners, and then folding up the sides. If the volume of the box will be 204 in.3, what are the dimensions of the piece of cardboard?
A. 24 in. by 19 in.
B. 31 in. by 20 in.
C. 25 in. by 20 in.
D. 19 in. by 14 in.
Answer: D
Mathematics
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Divide numerator and denominator by the highest power of x in the denominator to find the limit.
A. 0
B. - 
C. - 
D. -?
Mathematics
Find the product.(-5x + 1)(x - 8)
A. -5x2 - 8x + 41 B. -5x2 + 39x - 8 C. -5x2 + 41x + 41 D. -5x2 + 41x - 8
Mathematics
Evaluate the integral.
dx
A. -1 B. 1 - cos 1 C. 1 + cos 1 D. 1
Mathematics
Find the sum.Find the sum of the first 70 terms of the arithmetic sequence: -8, 1, 10, 19, . . .
A. 21,490 B. 21,175 C. 21,181 D. 622
Mathematics