Aregular decagon has side lengths of 4 centimeters long. if the decagon is divided into 10 congruent triangles, each has an approximate height of 6.2 centimeters. what is the approximate are of the decagon?

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

For the equations below which statement is true ?

9/10 divide by -3/15 as a mixed number