Answer:
To show that A has a supremum is given as,
Step-by-step explanation:
Because A is that the set of all letters from the dictionary starting with the letter 'a'. And as after set A, there'll be a group containing all the opposite words .. so there exists some x during a such every other letter during a comes before it. So it's none aside from a word starting with the letter b therefore the supremum of the set A is letter b.
Answer:
376*74=
Step-by-step explanation:

Answer:5 and -5
Step-by-step explanation:
There's not really any steps but absolute value is the number of spaces a numerical value is from 0 so 5 is 5 spaces away and -5 is also 5 spaces away -3 is 3 spaces away and 8 is 8 spaces away.
Answer:
Step-by-step explanation:
its a lcm question
Step-by-step explanation:
$480 is 40% off the original price
=> $480 is 60% of the original price
Hence the original price is $480 * (100/60) = $800.