What’s an perpendicular equation of a line to y=-2/7x+9 that passes through the point (4,-6)

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

You coordinate volunteers for litter cleanup in local parks. your spreadsheet lists drivers and the number of seat belts in each driver’s car. the spreadsheet calculates the number of drivers (d) and the total number of seat belts (s). you want to know the maximum number of volunteers, besides drivers, that can be transported to the park in a single trip given that each person must have a seat belt of their own.