A rectangle has a length of x cm and a width of three times the length minus four. Label the
rectangle. Find the perimeter.

Ineed asap.i cant understand this question i need someone to me right away

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

Can anyone me with 32,33,36,37,and 40.