HELP PLEASE!!!!!

The period T (in seconds) of a pendulum is given by T=2πL32 , where L stands for the length (in feet) of the pendulum. If π=3.14 , and the period is 15.7 seconds, what is the length?

HELP PLEASE The period T in seconds of a pendulum is given by T2πL32 where L stands for the length in feet of the pendulum If π314 and the period is 157 seconds class=