How much power does an electric device use if the current is 36.0 amps and the resistance is 3.9 ohms?

a.140 watts

b.5,100 watts

c.550 watts

d.9.2 watts

okay i have so many questions. but the big one here is: um wt..f is this mess? ?

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