Please answer 7,8 and 9 below

7. You need to add a line chart showing a sales trends over the last 12 months and you have only a little space to work with. How can you convey the required information within a single cell? Add a sparkline, a graphic that summarizes data visually within a single worksheet cell. Add a hyperlink to another worksheet that displays a chart when clicked. Add an image of the chart to the worksheet. Add an image of the chart to a comment. 8. When using the Custom data validation type, you have to use a formula that evaluates to either true or false. TRUE FALSE 9. Suppose you want to center the title you have in cell A4 over the data table in A5:I100. Which method is the best? Select cells A4:14 and click the "Merge and Center" button on the Home tab Select cells A4:14, right click, choose Format Cells, and set the horizontal alignment to "Center Across Selection" Select A4:I4 and click the Center icon on the Home tab Select A4, go to the column header and change the column width