Answer:
To Find the median you order them from least to greates or vice versa, therefore 4,5,6,6,12,17,19 the median would be 6 because it is in the middle, the mean would be adding all of them and dividing by 7 because there are 7 variables. therefore the mean is 9.85 or you can round to 10 / 9.9
We usually use the distributive property because the two terms inside the parentheses can't be added because they're not like terms.
Make sure you apply the outside number to all of the terms inside the parentheses/brackets.
Answer:
a=-30
Step-by-step explanation:
15+15+15=45 Hope this helps.
