If A and B are Two vectors and vector Product is A×B= √AB then find the angle between A and B is 45 but how need explanation

trig 15.3 cos

your answer is, orbit around the nucleus

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