Respuesta :
Answer:
0 feet
Step-by-step explanation:
he is at -20 feet and he came up 20 feet, so the equation is
-20 + 20= 0
So it's elevation is 0 feet
Answer:
0 feet
Step-by-step explanation:
he is at -20 feet and he came up 20 feet, so the equation is
-20 + 20= 0
So it's elevation is 0 feet
