35 points (all of my points), please help. How do you write y=1/5x-1, or y=0.2x-1 in point slope form? Also, y=-5x-42? And are 9x+3y=6 and 3x+9y=6 perpendicular, parallel, or neither?

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.