Which of the below measures of central tendency is/are always unique ?

How can you construct perpendicular lines and prove theorems about perpendicular lines

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)