How does gender affect leadership emergence? What is the relationship between likability and leadership? Does a good leader have to be liked?

Early in life thomas was diagnosed with intellectual disability. he lives with his parents, spending his days at a local adult day-care facility. through tutoring he has reached an elementary school level of education and is able to do simple tasks to out around the house.

In which two ways was galileo’s improved telescope useful during the scientific revolution?

What does the delta symbol represents in this equation