Which problem has a sum of 16.52?
8.2 + 3 + 0.05
1.42 + 3.1 + 12
4.2 + 1 + 5.09
12.4 + 4.9 + 3

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

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Are the corresponding angles congruent? explain why or why not.