Stephanie was going through a revolving door that needs to rotate 170 to allow her to pass through. She pushed the door around 105 but then the door git stuck. her friend helped her push the door another 15 but it is still not open far enough ​

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2