SELECT ALL: Which of the following would result in a slope of of 1/4

a- 8y = 32x + 2
b- (view pic for graph)
c- a line passing through the points (3,7) and (-9,4)
d- 2x + 8y = 12
e- susan wants to increase the intensity of her workout at the gym. she adjusts the steepness of the treadmill so that she can burn additional calories. the ramp on the treadmill can be modeled using the equation: c = 0.25m + 1
f- a line passing through the points (8,5) (4,6)