What is the transformation of the graph from its parent function

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?