This is general physics. I need help with complete solution. Thankyou

C. Solve the following problems. 1. A piece of carpet is 68.58 cm wide. How many strips of carpet will it take to cover the width of a room that is 5.5 m wide? 2. A 5.5 m long pipe has a radius of 8 cm. What is its volume if vrh? 3. A car moves 60 km/h. Express this speed to meter per second. 4. Which of the following liquids have the same volume? A= 0.50 m B=4000 mL C=500 L D= 2000 cm' 5. Solve for the distance (in meters) of the focus to vertex of a given parabola equation y =20x if per unit is equivalent to 250 centimeters