Ahmed is taking orders for lunch. a slice of pizza cost $2.50 and a chicken sandwich cost $3.50. he collects $21.50 for the group of 7. let x= number of pizza orders. let y= number of chicken orders. assuming each person only orders one item. how many people order the chicken sandwich?

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.