Answer:
what is the expression? please provide an expression.
Answer:
there are 45 people in the group
2/3xA=30
2A=30x3
A=90/2
A=45
If I'm not wrong I believe it would be 343 different ways.
Answer:
A. Playfair's axiom.
Step-by-step explanation:
In a plane, given a line and a point not on it, at most, one line parallel to the given line can be drawn through the point.
- this implies Euclid's fifth postulate.