Ineed on this problem. solve for c

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

How do you figure out which order to do two step equations in? like which thing do you subtract/add/multiply/divide first? i understand that you do the opposite of whatever's shown on the opposite side, but when?