Question

evaluate the expression when a = 1. a + 8

Explanation:

Step1: Substitute \( a = 1 \) into the expression

We have the expression \( a + 8 \), and we substitute \( a = 1 \) into it, so we get \( 1 + 8 \).

Step2: Calculate the result

Now we calculate \( 1 + 8 \), which equals \( 9 \).

Answer:

\( 9 \)