It’s definitely not D or A but the closest one would be C, that’s what I would put. So the answer might be C.90
Answer:
There are 24 boys and 4 teachers.
Step-by-step explanation:
To get 18, you multiply 3 by 6. To get 24, you multiply 4 by 6.
You add 18 and 24 together to get 42, which is double 21 and there are 2 teachers for every 21 students
A's area is 4x3=12, B=2x3=6, so yes, A is twice the area of B
a Answer: YES
b Answer: One side doubled, the other stayed the same, so area doubled.
Methods of describing a set involve using a roster or set-builder notation to outline it.
<h3>What are the methods of describing a set</h3>
The two methods of describing a set are:
- roster method
- set- builder notation method
Roster method describes a set by listing all its elements, separated them by commas and enclosed within brackets.
Set- builder notation method describes a set by describing its elements using mathematical statements
Therefore, methods of describing a set involve using a roster or set-builder notation to outline it.
Learn more about sets here:
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Should there be a graph or something? Or an equation?