For problems 1-6, write equivalent expressions by combining like terms. 8b-4b
1 answer:
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Answer:
1/2
Step-by-step explanation:
The scale factor is 1/2 because each side length of is 1/2 of the length of the side lengths of
.
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The intersection of two sets A and B is defined as the set composed by the elements appearing in both A and B.
So, the intersection is
Because all the other numbers do not belong to both sets:
- 2, 3 and 7 belong to A alone
- 13, 15 and 17 belong to B alone
- 5 and 11 belong to both A and B