Determine the slope of the line that passes through the points (-4, 6) and (0, 4).
a) -2
b) -1
2

c) 1
d) 2

Ihave a 69 and an 82. the 69 is worth 40% of my grade and the 82 is worth 15%. can someone tell me my current average grade.

How to do this , and can some one explain

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?