D participatory action research as the types of bullying occurring at all schools may not be the same so she could use research to find out about all types of bullying.
This popular puzzle can be represented as A ∨ B ∨ C and if Bill is her youngest child the resolution is B = ¬A ∨ ¬C
Most situations including some puzzles can be represented using logic symbols and relating the statements involved. Let's represent this puzzle.
There are three children: Alice, Bill, and Carl, they can be represented as A, B, C
The puzzle says only one of them is the youngest, this can be represented as:
- A ∨ B ∨ C ( V means "or")
Also, if Alice is the youngest then Bill is not the youngest
- A = ¬B (¬ is used for negation)
Similarly is Alice is not the youngest Carl is not the youngest can be represented as
Finally, if Bill is the youngest we can say
B = ¬A ∨ ¬C ( Billie is the youngest because Alice and Carl are not the youngest)
Learn more in: brainly.com/question/11766897
Explanation:
There is direct relationship between income and saving, i.e., if income increases, saving also increases but by less than increase in income. It means as income increases, proportion of income saved increases (because proportion of income consumed decreases). (ii) At lower level of income, saving is negative.
I think it's d.all countries ar connected by aseries of rivers and canal