Find the circumference of a circle whose radius is 15.4cm

How do i get the answer for 2/3 * 10/3

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as