Find the median of the prices: $280, $515, $450, $295, $420, $475, $260, $515, $495

$515
$450
$420
$411.67

$423.21 is the mean of all of those numbers

Explanation:

$280,

$515,

$450,

$295,

$420,

$475,

$260,

$515,

$495

$515

$450

$420

$411.67

add those = 5,501.67 / 13 = $423.21

boundary is what it refers to hope this

explanation:

answer; taking up arms to defend the nation;