a city has a population of 12961. how many people can fit on the football field if the field is 80 yards long and 45 yards wide? can the population fit? each person occupies 2.5 square feet of space

Ihonestly don’t understand this at all

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.