Sarah examined 7 random lessons from each textbook for her class. Each textbook has an equal number of lessons. Is this sample of the lessons in the class's textbooks likely to be representative?
This is a yes or no question also

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?