The equation P = 2200 - 160t models P, the number of pay phones in the United States in thousands, where t is the number of years after 2000

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Taking algebra two apex courses and need with these questions

How can (square root of 25) ^2 be rewritten?