Answer:
6
Step-by-step explanation:
2x -4 = 8 , 8+4=12 , 12÷2=6
Answer:

And replacing:

And the deviation:

And the distribution is given:

Step-by-step explanation:
For this case we have the following info given :

And the deviation would be 
For this case we select a sample size of n = 5 and the distirbution for the sample mean would be:

And replacing:

And the deviation:

And the distribution is given:

7x - 1 + 6x - 1 = 180
add the x’s, add the numbers
13x - 2 = 180
add 2 to 180
13x = 182
divide 182 by 13
x = 14
Step-by-step explanation:
5 = 12 Cross multiply
2.35 x
5x = 28.2 Divide 5 on both sides to isolate the variable
x = 5.64
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Answer:
If Anne’s age is represented by the variable a then express Jenny’s age in terms of a if Jenny is three years less than half of Anne’s age