15 -12 = 3
3/15 = 0.2 = 20% decrease
Answer:
5 2/7
Step-by-step explanation:
3 + 1 = 4
3/7 + 6/7 = 9/7 = 1 2/7
1 2/7 + 4 = 5 2/7
Slope Formula = (y2-y1)/(x2-x1)
6)
(-8-6)/(0--8)
= -14/8
= -7/4
7) (17-14)/(-20-12)
-3/32
8) (-14-0)/(16--11)
-14/27
9) (-16-10)/(22-7)
-26/15
10) (-13--7)/(0-14)
-6/-14
= 3/7