Write each fraction or mixed number as a decimal

What is the area of triangle pqr on the grid? a triangle pqr is shown on a grid. the vertex p is on ordered pair 7 and 6, vertex q is on ordered pair 1 and 6, and the vertex r is on ordered pair 4 and 2. 5 square units 6 square units 10 square units 12 square units

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.

How to do this , and can some one explain