Without graphing, find the slope of the line that goes through each pair of coordinate points. ( 2 , - 1 ) and ( 6 , 1 )

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

Find the distance between the point (-3,-4), and (see the picture below)