Find slope of the line that passes through the point (-9,7) and (9,-3)

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'