Find the area of half of the circle radius equals six

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?