Question

Posting the full equation in comments.

Answer 1

\[Solve for b_{2} \in A=\frac{ 1 }{ 2 }h(b_{1}+b_{2}, if A=16, h=4, and b_{1}=3.\]

Answer 2

\[\frac{1}{2}*4(3+b_2)=2(3+b_2)=6+2b_2\]
\(16=6+2b_2\)
\(10=2b_2\)
\(5=b_2\)

Answer 3

thank you