2and a half plus 2 hours 30 minutes plus 2 hours and 10 minutes

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

Which of the following represents the factorization of the trinomial below? x^2+7x-30

Will mark brainlist what is the slope of the line passing through the points (-2, -8) and (-3,-9)? -7/5-5/71-1