True or false 1- When we heat a substance we add mass to it. ( ) 2- When we heat a substance we increase its volume. ( )

massxgravity x heght=weightxheight= pe

4900=490xh

h=10

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

that the claims meet official rules.

don't misinterpret the claims