Solve the Equation for the Specified Variable $A = \frac { 1 } { 2 } h ( B + b )$

Multiple Choice

Solve the equation for the specified variable.
- $A = \frac { 1 } { 2 } h ( B + b )$ for b

A) $b = \frac { 2 A - B h } { h }$
B) $b = \frac { A - B h } { h }$
C) $\mathrm { b } = \frac { 2 \mathrm {~A} + \mathrm { Bh } } { \mathrm { h } }$
D) b=2A-Bh