Can someone help me with 5 and 6 please?

Step-by-step explanation:
5.a
6.An addition statement is a problem stated using words, and an algebraic expression is a problem stated using numbers and symbols. To translate an addition statement into an algebraic statement requires that you look for the words that represent known and unknown numbers.
9+x
So 9 + x is an algebraic expression. In the next few examples, we will be working solely with algebraic expressions. Example 2: Write each phrase as an algebraic expression.