What is the perimeter of this book? a. 16 in. b. 26 in. c. 32 in. d. 60 in.

Easy points boii. read it. ya. fresh

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

Need on this one asap im almost done with this subject