What is the perimeter of the figure?
28 m
22 m
20 m
14 m

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?