The angle measurements in the diagram are represented by the following expressions.

Use the distributive law to multiply. 3(4x + 5y + 6)

What is the perimeter of an equilateral triangle if each side is (x+3)?

Select the correct answer from each drop-down menu. a parabola is given by the equation y = x2 − 2x − 3. the directrix of the parabola is given by the equation . the focus of the parabola is .