Find the perimeter and the area of the shape
5cm
6cm
7cm
8cm
Perimeter = [perimeter] cm
Area = (area] cm

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?