How are the radius and the diameter of a circle related? if needed, draw a picture on a piece of paper to you explain.

And explain how you got it so i can understand future problems : 3

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles