Solve. A square piece of cardboard is used to make an open box by cutting 
squares from each corner and turning up the sides. The volume of the resulting box can be modeled by the polynomial 
where x is the original length of each side of the piece of cardboard. Write the polynomial in factored form.
A. 3(x - 6)(x + 6)
B. 3(x - 3)2
C. 3(x - 6)2
D. 3(x + 6)2
Answer: C
Mathematics
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Find dy for the given values of x and ?x.y = 2x + 3; x = 18, ?x = 0.5
A. 0.1 B. 1 C. 0.5 D. 5
Mathematics
Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.
A. 3x31/15 B. 9x41/15 C. 9x31/15 D. 3x41/15
Mathematics
Provide an appropriate response.Explain the error in the following: 10x2 - 90 = (x + 3)(x - 3).
What will be an ideal response?
Mathematics
Evaluate the expression without using a calculator.25-3/2
A. - 
B. 
C. 125
D. -125
Mathematics