An arc of a circle is 3πm long, and it subtends an angle of 72° at the center of the circle. find the radius of the circle. the radius of circle that is how it should be put as answer.

How is the number of vertices for a prism related to the name of the prism

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?