How many proportional relationships are shown in the coordinate plane below?

What is the exact area of a circle with a diameter of 50 centimeters? a.87.9 square centimeters b.379.9 square centimeters c.1962.5 square centimeters d.4923.5 square centimeters

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

Aline that intersects one of two parallel lines intersects the other also always sometimes never