I’m no mathematical but I think I can help you with that
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:
See below
Step-by-step explanation:
The difference of 5 and 2
5-2 <===== now multply it by 6
6 x (5-2)
Yes the square root of 1/4 is a rational number