Explain why it does not matter what letter or symbol is used to find an unknown number

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?