Explain it trisha says that if 5/7 of her pencils are yellow, then 2/7 are not yellow. is she correct ? explain it

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

What is the lcm of 16 and 40 ? 24 and 40 ?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.