Which expression is equivalent to 1/5(150x - 80y + 50 - 50x - 25y + 20)?

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

What value of x will make the triangles similar by the sss similarity theorem?

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