What is the area of a cirle of radius r? use r for the radius and pi for π. for on entering a symbolic answer click on the symbolic formatting link below. webassign?

Annie walked her dog 2 1/4 miles from her house to the dog park and 3/7/8 miles around the park.then she walked the same distance home.how many miles did she walk in all?

Ineed with number 17 i don’t get it at alll

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?