Answer:the mean is 90
Step-by-step
you find the sum of the values then divide them by the amount of numbers in the set
2√72 / √8 ± √2
If the denominator is √8 + √2,
2√72 / √8 + √2
= 2√(2*2*2*3*3) / √(2*2*2) + √2
= 2*2*3√2 / 2√2 + √2
= 12√2 / 3√2
= 4
Answer:
0.4
Step-by-step explanation:

Answer:
equivalent = 30w 30(w) 30*w
the rest are non equivalent