What's 2/3 written as a fraction with a denominator of 9?

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Is the figure congruent? yes or no?