Answer:
its B
Step-by-step explanation:
she went deeper than 21 feet so greater than 21
6z -4 - z + 10 = -9
Combine like terms
5z + 6 = -9
Subtract both sides by 6
5z = -15
Divide both sides by 5
z = -3
Have an awesome day! :)
Answer:
#3
Step-by-step explanation: