Which of these is equal to .13?

a. 1/3
b. 1 1/3
c. 13/100
d. 12/90

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.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

The tile along the edge of a triangular community pool needs to be replaced? ?