What was used as evidence to develop the Big Bang the Theory and the origin of the universe

if you already have the answer to (a), then just work out how many periods there are in 1 minute, and that's the answer to (c).

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)