<h2>
Answer:35 ways</h2>
Step-by-step explanation:
is the number of ways of choosing 
distinct objects from a lot of 
distinct objects.
In the given question,
So,
So,there are 
ways in which three distinct cards can be selecte from seven distinct cards.
Answer:
157/1000
this is beacuse you need to make you decimal place your denominator
A line of symmetry is when you can put a line through a shape and you can fold it and it is identical on both sides, and rotational is when you can rotate it and at some point it is in the same spot as it was before, so yes, you are right. the octogon.
