How many ways are there to choose a dozen donuts from 21 varieties?

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

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.

Multiply: 2.7 × (–3) × (–1.2). a. –9.72 b. –10.8 c. 10.8 d. 9.72