Solve for x. Leave your answer in reduced radical form, if necessary.
Solve for r. Leave your answer in reduced radical form, if necessary.
Solve for s. Leave your answer in reduced radical form, if necessary.
Solve for a. Leave your answer in reduced radical form, if necessary.
Solve for c. Leave your answer in reduced radical form, if necessary.
Solve for d. Leave your answer in reduced radical form, if necessary.