Atriangle has side lengths of 18 cm , 80 cm, and 81 cm. is this triangle obtuse acute or right. and explain how you got your answer so i can check it

Ineed with number 6 , explain how to get 1978

If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?