Asap! brainliest!

data regarding fuel efficiency of an 18-wheel truck were collected. the graph shows the correlation between the average speed above 40 miles per hour (in miles per hour) and the money spent on gas (in dollars):

image of a scatter plot with average speed on the x axis and money spent on fuel on the y axis with points 1 comma 2, 3 comma 2 and one half, 5 comma 5, 7 comma 7, 9 comma 10, 11 comma 15, and 12 comma 17

estimate the average rate of change from x = 5 to x = 9.

4
−4
0.8
1.25

If you want to place an 8 ½ inch towel bar in the center of a door that is 25 ½ wide, how much space will be on each side of the towel bar?

What value of x is in the solution set of –5x – 15 > 10 + 20x?

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.