B: z=80___________________________________
Answer: 2.3 / -3
Step-by-step explanation: If you want me to to explain it, just ask!
Step-by-step explanation:

Answer:
AD = 23
Step-by-step explanation:
Answer:
4/5:2/5 = ratio of degrees to time
2/5*2.5 = 1 min
4/5*2.5 = 10/5 = 2
2 degrees every min
Step-by-step explanation: