The answer is 9.875...
Convert seven-eighths to a decimal then add a nine to that.
Also, please make sure you're posting the question on the right subject. You posted it under the English section when it should've been posted in the mathematics section.
A declarative sentence is a sentence that is in the form of a statement or you could you also say a declarative sentence is a sentence that makes a statement.
In addition, declarative statements <em>always</em> end with a period.
A few examples of declarative sentences are listed below.
<u><em>Soccer is a popular international sport.</em></u>
<u><em>Tomorrow I have a doctor's appointment.</em></u>
<u><em>There will be a meeting today after school.</em></u>
For some, Open Mic Night at the local bar might conjure up some pretty bad memories - random people yacking about this or that, one minute a guy tells you about the novel ways to trim your hedges into the likes of farm animals, while another talks about his belief that aliens live amongst us. You and your buddies roll your eyes and dash for the door. And this is for good reason! Neither speaker took the time to consider some very important things.
You see, when a speechwriter sets out to draft a winning speech, he not only considers the topic - he thinks about the speaker, audience and purpose of the speech. Why, you ask? He does this mostly to keep the attention and interest of his audience. Let's take a closer look at this.
