This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to lay a brick patio
Determine the size and location for your patio.
If you've decided to make a patio, you probably already have a location in mind. However, before you get started you should determine the requirements necessary to create the patio.

Options are: [-] Make sure water drains away from the area. Is the location you initially considered large enough to fit the patio you want? Will certain obstacles force you to use a different layout than you had initially intended? A little time thinking about these issues will make the later steps that much easier.. [-] In addition to deciding on a location, you'll also need to determine the square footage and required landscaping space. If you have a square yard, it will need to be wide enough to accommodate a single garden furniture bed.. [-] Plan to lay out a patio using a square , 8 foot square, or rectangular yard. You can determine whether or not you want square.. [-] The patio should be at least 75-80 feet (17-20 meters) long, and will run 2.4 feet (1 meter) deep. If you have not decided on the dimensions of your patio, ask a local home improvement store employee to help you determine the proper width and angle for your patio..
The answer is:
Make sure water drains away from the area. Is the location you initially considered large enough to fit the patio you want? Will certain obstacles force you to use a different layout than you had initially intended? A little time thinking about these issues will make the later steps that much easier.