The cost of text books for school increases with the average class size identify the independent and dependent quantity in the situation.
a. cost; average class size
b. cost; number of class
c. average class size; cost
d. number of classes; average class size

segment bisector

step-by-step explanation:

line segment bisector. definition: a line, ray or segment which cuts another line segment into two equal parts. try this drag one of the orange dots at a or b and note the the line ab always divides the line pq into two equal parts.

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