PLEASE HELP DUE IN 20

-4/3 if its asking for slope

Step-by-step explanation:

To get this i did change in y over change in x.

i took the first two pairs.

-4-(-7)=3

8-12=-4

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.