Factoring polynomial expressions.

Factor 15x^2 - 12xy + 18x^3y^4

Factoring the given mathematical expression.

Factor: xy-4x+2y-8

Equation of a line

How do you fine the equation of a line? ~Find the equation of each line described below. Show all subproblems. a) The line through points (-1,4) and (2, 1) b) The line through points (6,3) and (5,5) c) The line with slope 1/3 through the point (0,5) d) The line parallel to y= 2x-5 through point (1,7)

Solve a radical equation

2 divided by the square root of 3x plus the square root of 3x equals the square root of 3x plus 8

A fraction word problem.

Sam and Mary each owned one-half of the stock in a printing company. Sam sold two-thirds of his stock to Mary. What fractional part of the printing business does Mary now own?

Rational/irrational expressions

Solve 5 SQRT 2050 Determining rational and irrational mathematical expressions without the use of a calculator.

Mathematical models involving linear systems

Loser rental charges $32.00 a day plus 27 cents per mile. lemon leasers $28.00 plus 30 cents per mile. Most renters drive either fewer than 50 mile or more than 200 miles. I have to start a company that has rates that are less expensive than both of the other two car rentals. Rates must not be less expensive than both of the o ...continues

Understanding the slope equation.

How do I use the slope equation?

Objective functions with constraints

An objective function is to be maximized given the following constraints: x+2y=4, x-y=1, x=0, y=0. Find the vertices of the set of feasible solutions.

Builders math

What is the area of a roof on a 30 foot by 40 foot house with 12" rake O.H. (Over Hang), 5/12 slope? Please show problem in detail.