Abicycle trail is 12 mi. long. there are trail markers every mi. along the trail. how many trail markers are there along the trail, not counting the marker at the start of the trail?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.