Answer:
9
Step-by-step explanation:
perfect square sholud be 
so (w+3)*(w+3) is perfect square and extention of it is =>w*w+6w+9
Mean 87.5
Median 88
Range 14
and Mode All values appeared just once
Es la segunda media es 1.65, mediana es 1.65, y modo es 1.61
Between 90 and 180 degrees