They're both functions because each input has exactly one output
Answer:
Step-by-step explanation:
i think it is 7.5
(9,0) is the answer just imagine the area has moved 90°
Answer:
3
Step-by-step explanation:
Answer: 97.5%
First convert to fraction, then multiply by 100
Step-by-step explanation:
Convert to fraction to get 39 / 40
=0.975
Then multiply by 100 =97.5%