Miss Sullivan owns a farm where she has a total of 28 birds and dogs the total number of legs on those animals and 70 how many dogs and how many birds are on the farm

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.

if you was gonna solve for a, a is a   < -12