Answer:
14
Step-by-step explanation:
mass of 100 centimeters of copper wire is 
so, mass of 1 centimeter of copper wire will be 
hence, 14 centimeters of copper wire will provide .28 copper
Answer:
C) 60
Step-by-step explanation:
180 - 120
Answer:
A
Step-by-step explanation:
we should first find the value of x.