The walnut middle school cafeteria staff wants to know which types of pizza to serve. the staff surveys every 5th student that walks into the cafeteria about their pizza preference. identify the sample as biased or unbiased and describe its type

5.25 ounces

step-by-step explanation:

divided 3/4 and 6

the correct answer is b.

this is because an open circle means < or > & since the line goes left it is < -3.

the next one has a filled circle so it can only be ≥ or ≤ and since the line goes right from 1 it is ≥ 1

hope that