(5xy+x-2) + (x-2xy+9)

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

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 .

Two lines parallel to a third line are parallel to each other. always sometimes or never