Answer:
use pythagorean theorem
Step-by-step explanation:
a^2+b^2=c^2
Answer:
Neon= -10+10= 0 on no change
oxide=-10+8=-2
copper=-27 +29 = 2
tin= -50 +50 = 0 or no change
Step-by-step explanation:
Its basically subtraction ( i pretty sure thats right)
Answer: 1st person will get £30 and 2nd person will get £24
Step-by-step explanation: