a machine cannot a. change the direction of a force b. multiply or increase a force c. redistribute work d. increase the total amount of work done

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

float.

archimedes' principle

denser than water sinks in water.

denser than mercury would sink in it

part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by

answer///scientific method;