Help me with question 2 please

What is the distance between (–2 1/2,-3) and (1, –3)?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function