The expression is:
[tex]\frac{1}{2}(22m+30)[/tex]To simplify, we will use the distributive property, which says:
[tex]a(b+c)=ab+ac_{}[/tex]So, we have:
[tex]\begin{gathered} \frac{1}{2}(22m+30) \\ =\frac{1}{2}(22m)+\frac{1}{2}(30) \\ =11m+15 \end{gathered}[/tex]