On scale drawing of a park, the length ofa trail is 12 cm from the playground to the pond and 15 cm from the pond to the parking lot. if the actual length of the trail from the pond to the parking lot is 60 m, what is the actual length of the trail between the playground and the pond?

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?