Find the term that must be added to the equation x^2- 8x = 3 to make it into a perfect square.

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

What is the reflection image of (5,-3) across the line y = -x?

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut