Which is the best estimate of the slope of this graph?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

Factor the polynomial expression x6 – x3 – 20