Solve the problem.The length of the diagonal of a box is given by D =  where L, W, and H are the length, width, and height of the box. Find the length of the diagonal, D, of a box that is  long,  high, and  wide. Give the exact value.

A. 30 ft
B.  ft
C.  ft
D. 10 ft


Answer: B

Mathematics

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Guess the rule used to change one number into another.

A. n2 + 1 B. n2 - n C. n2 - 1 D. None of the above is the correct rule.

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Evaluate the integral.ln 7x dx

A. ln 7x -  x3 + C
B.  x3 ln 7x +  x3 + C
C.  x3 ln 7x -  x4 + C
D.  x3 ln 7x -  x3 + C

Mathematics

Given the polynomial function f(x), find the rational zeros, then the other zeros (that is, solve the equation ), and factor f(x) into linear factors.f(x) = x3 + 6x2 - 3x - 18

A. -, multiplicity 2; -3; f(x) = (x + 2(x + 3)
B. -6, -3, 3; f(x) = (x + 6)(x + 3)(x - 3)
C. -, multiplicity 2; -, multiplicity 2; f(x) = (x + 2(x + )2
D. -6, -; f(x) = (x + 6)(x + )(x - )

Mathematics

Evaluate the expression.r - , if r = 

A.
B. 1
C.
D. - 

Mathematics