Hurry many household products we consider necessary today such as am and fm radios, televisions, wireless networks, cordless and cellular telephones, remote-controlled toys, and gps receivers use to transmit information to humans all over the world. a) microwaves b) radio waves c) seismic waves d) infrared waves

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