Answer:
x = 12
Step-by-step explanation:
(6x-2) + 20 = 90
6x-2 = 70
6x = 72
72 / 6 = 12
x = 12
Answer:
to find the mean you must add all of the numbers in a data set together and then divide by how many numbers there are.
21.4666 hope this helps! ❤️
Answer:
11
Step-by-step explanation:
in the "score" section all you do is add all them up. And because there is a negative for ALL the numbers, all you do is add a negative after you add all the SCORES
