A training field is formed by joining a rectangle and two semicircles, as shown below. The rectangle is 80 m long and 51 m wide. What is the length of a training track running around the field? (Use the value 3.14 for pie, and do not round your answer. Be sure to include the correct unit in your answer.)

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before