As a muscle contracts and exerts more stress, it stiffens. Test the model by holding a small heavy object in one hand. Lift the object slowly while feeling your biceps with your other hand. Does the muscle seem to be stiffest where the model predicts it should? Describe.

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

god i hope this !