The population of a country in 2015 was estimated to be 321.4 million people. This was an increase of 22% from the population in 1990. What was the population of the country in 1990?

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

The diagram shows corresponding lengths in two similar figures. find the area of the smaller figure. a. 14.4 yd2 b. 24 yd2 c. 26.4 yd2 d. 28

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64