When finding the mean you add up the numbers that are needed to find the mean and divide them by the amount of numbers you added. For example question 5 you will add 58+58+62+55+49+48 which will equal 330 and then divide it by 6 because there are 6 numbers which is 55.
Answer:
13g +6
Step-by-step explanation:
3(6g+2) -5g
Distribute
18g +6 - 5g
Combine like terms
13g +6