Write 21/50
as a percentage.

Match each expression with its simplified form.

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

What is the distance from (–3, 1) to (–1, 5)? round your answer to the nearest hundredth. (4 points) a. 3.60 b. 4.12 c. 4.47 d. 5.66