Please help me find the slope of the line which one would it be ? :) and why

How many units away is 1 from -6 on a number line?

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%