Mass is a measurement of
a. force.
b. an amount of matter.
c. the amount an object weighs.
d. the amount of space object takes up

the gas collects in coils that then becomes a liquid that then flows through the coils inside the refrigerator

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