The different layers of gases that extend form the surface of the earth into space

Find the number if 5% of it is 24% of 15.5.

Arealtor is studying the graph above, which shows the expected value of properties in her area over the next 24 years. if t represents the number of years after 2014, in what year should the increase in property values start to slow down? a. 2008 b. 2018 c. 2022 d. 2030

How do you work out 21.3-8= show your working. plz