The average of four numbers is 85. If three of the numbers are 76, 78, and 81, what is the fourth number?

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

Which equation represents the partial sum of the geometric series?

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.