Answer:
B
Step-by-step explanation:
the area of a parallelogram is the length of one of the sides multiplied with the length of the height on this side.
so, in this case it is
4×5 = 20 cm²
Step-by-step explanation:
There is no diagram, please update question.
Answer:
The z-score is 
The percentile is 
Step-by-step explanation:
From the question we are told that
The data value is 0.6 standard deviations above the mean i.e 
Where
is the population mean and
is the standard deviation
Generally the z-score is mathematically represented as

=> 
=> 
The percentile is obtained from the z-table and the value is

=> 
A rule you can use to find the answer to #10 is adding a layer of pennies around each edge