Answer:
The slope is -3
Step-by-step explanation:
We can find the slope using
m = (y2-y1)/(x2-x1)
= (-5-1)/(4-2)
= -6/2
= -3
30/72 is 0,4166666666666
or
15/36
5/12
try this option, all the details are in the attachment.