Answer:
2.2
Step-by-step explanation:
It is a 2.2 slope because you just have to divide the depth of water by the time by 2.2 or multiply the time by 2.2 to get the depth of water :)
(0,0)&(2,4.4)
(4.4-0)/(2-0)= 4.4/2= 2.2 is the overall slope
