A circular flower bed is 20 meters in diameter and has a circular sidewalk around it that that is 3 meters wide find the area of the sidewalk in square meters

The pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is find the pressure exerted when the temperature of the gas is 380 degrees f show work for the

Question and answers are in the attached picture. you so much in advance.

Can (2,3 and square root 10) be sides ona right triangle?