Determine the slope and x and y intercepts for the equation:

3x - 9y = 12


Slope = 1/3
x = 4
y = -4/3

Mathematics

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Determine which value(s), if any, must be excluded from the domain of the variable in the expression.

A. x = -3 B. x = 3 C. x = 0 D. none

Mathematics

Solve the problem.The height of a box is 5 inches. The length is three inches more than the width. Find the width if the volume is 440 cubic inches.

A. 5 in. B. 88 in. C. 11 in. D. 8 in.

Mathematics

Find the domain of the rational expression.

A. {x|x is a real number and x ? 7} B. {x|x is a real number} C. {x|x is a real number and x ? 3} D. {x|x is a real number and x ? 3 and x ? 7}

Mathematics

Solve.The printed matter on a 10 by 22 centimeter page of a book must cover 64 square centimeters. If all margins are to be the same width, how wide should the margins be?

A. 1 cm B. 6 cm C. 4 cm D. 3 cm 

Mathematics