Is the permanent press setting on a dryer hotter or colder than normal setting?

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask

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