a _ is an explanation that unifies the findings of many experiments, and it can be changed when new experimental results need to be explained

That's a pretty good intuitive definition of a theory .

a person with a mass of 106kg has a weight of 1060n

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles