Afew years ago, a total of 2682 thousand people lived in the metropolitan areas of las vegas, nevada, and sacramento, california. sacramento had 276 thousand more residents that las vegas. what was the population of each metropolitan area? 50 points

Mary had at least an 80% on her test write an inequality to represent this situation

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota