Mastering presents homework items assigned by your instructor and works with you to answer them. Homework items typically have an introduction, possibly figures, and one or more parts for you to answer.

Type of help offered

Mastering tells you immediately whether or not your answers are correct. Usually, you will have multiple chances to arrive at the correct answer. Your instructor will determine how many tries you have available.

In many items, hints are available to help you if you get stuck. If you don't need the hints to solve the problem, you can still use them for review later on

If you submit an incorrect answer. Mastering often responds with specific, helpful feedback.

Mastering is forgiving of many typos and formatting mistakes. If it can't figure out what you entered, it will let you know and give you another chance

These exercises were chosen specifically to fead you through the key features of Mastering and are not intended to test your knowiedge of any specific subject material. Therefore on this item you will not be penalized for using hints and submitting incorrect answers in fact, you should submit incorrect answers and use the hints to see what happens!

Part A

How many squares are in this $22$ grid $($Figure $1)?$ Note that the figure link lets you know that a figure goes along with this part. This figure is available to the left.

Enter your answer as a number in the box below and then submit your answer by clicking Submit.

Number of squares $=$