If you jog vigorously for 3 mins and 20 secs how long will it take for you to complete 3 miles

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.