Is this statement true or false?

the triangle with side lengths of 18 cm, 24 cm, and 30 cm a right triangle.

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)