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Step-by-step explanation:

2+2=4

median is the middle number

mean is the numbers added up and divide by how many numbers there are

range is biggest take smallest

Mode is the most common so if you only have 1 number 1 and 2 number 2s  then 2 is the mode

Step-by-step explanation:

20%

step-by-step explanation:

x = 2

step-by-step explanation:

if sr parallel to ba then the sides bc and ac are in proportion, that is

= ← substitute values

= ( cross- multiply )

27x = 6(4x + 1)

27x = 24x + 6 ( subtract 24x from both sides )

3x = 6 ( divide both sides by 3 )

x = 2