The circle has center O. Its radius is 6 in, and the central angle a measures 90°. What is the area of the shaded region

Find the solution of system of equation y= x-4 y=4x+2

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3