Average time for vaccinations an average mean waiting time of 60 minutes with a standard deviation of eight minutes. If 1500 people were in line how many of them would expect to wait for more than 45 minutes?

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have