Answer:
26.74
Step-by-step explanation:
(12.95x2)+35.89+11.47=73.26
100-73.26=26.74
Answer:
Area: 
Step-by-step explanation:
Since all sides of a square have equal lengths, the area of the square is
(a = length of a side).
Since the length of the side of the square is given (is 3cm), the area of the square is
= 
Step One is to add up all the values
6.5+5+6+5.5+7+4+4.5+5+6+5.5+4+7.5+6+7+8+5+6+6.5+6.5+5 = 116.5
Step Two is to divide the result from step one by 20 (since there are 20 values added up)
116.5/20 = 5.825
The sample mean is 5.825
Answer:
80% of 65

Step-by-step explanation:
Hope it will help you.