L 2) The diagram shows a U-tube with cross-sectional area A and partially filled with oil of density p. A solid cylinder, which fits the tube tightly but can slide without friction, is placed in the right arm. The system is in equilibrium. The weight of the cylinder is: A. ALPg C. Ap(L + h)g B. L'pg D. Ap(L-h)g cylinder oil​

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