Finding arc ABC if lines ab, bc, and ac are equal.

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.