What does the symbol mean on the image?

Step-by-step explanation:

a) U > union

Union  of two sets is the set of all distinct elements that are in A or B

A U B = {8 , 14 , 17 , 16, 9 , 15}

∩ > intersection

Intersection of two sets is the set of all distinct elements  that are in both A and B

A ∩ B = {14,17}

b) A' = {9 , 15 , 16 , 10 , 11 , 12 , 13}

P(A') = 7/10

you never say the total so we cant find the percentage used for petrol

step-by-step explanation:

don't give

take it once

try and try and you will not

happy to

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