What is the slope of the line that passes through the points (9,7) and (6,0)?

In the diagram below what is the approximate length of the minor arc ab

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

The paint recipe also calls for 1/4 cup of food coloring. tyler says mrs.mcglashan will also need 6 cups of food coloring. do u agree or disagree? explain.