Please help me solve all parts shown below. Thanks! Will leave rating!

Problem $3\mathrm{.}7$:

Consider the truss shown in $($Figure $1).$

Set $P=9kN$

A$)$ Determine the force in the member $DC.$

B$)$ Determine the force in the member $DE.$

C$)$ Determine the force in the member CE$.$

D$)$ Determine the force in the member $CB.$

E$)$ Determine the force in the member BE$.$

F$)$ Determine the force in the member BA$.$

G$)$ Determine the force in the member EA$.$