Answer:
(4+7)/2 = 5.5 - median
6- mean
9- range
2,4,7,11 assending order
11,7,4,2 decending order
Step-by-step explanation:
inverse operation add (254 to other side)
2p - 254 = 900
+254 = + 254
then divide
2p = 1154
/2 = /2
p = 577
