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.
The watch costed $400 before the discount.
76 * 100 = 7,600
7,600 / 19 = 400
Answer:
(8,-1)
Step-by-step explanation:
(3,-4) +(5,3)
(8,-1)