Answer: 3x-6
Step-by-step explanation:
Let the number be x
3 times the number is 3x
6 less than 3x is 3x-6
Answer:
The correct option should have been 
.
Step-by-step explanation:
Given the expression
solving the expression
Remove parentheses: (a) = a
Group like terms
Add similar elements
It is clear that not a single given option is . It means no option is correct. It seems you mistyped the correct options.
The correct option should have been .
Answer:
Median= 14
Mean= 90
Step-by-step explanation:
Median:
Put the numbers in order,
4, 7, 9, 14, 16, 19, 20 Then after that you find the number exactly in the middle. That number ends up to be 14.
Mean:
Add up all of the numbers and then round it to the nearest tenth: 90
Median= 14
Mean= 90
