If you play music then you won't get distracted by the outside world or if you study in a quiet room
Answer:
D
Step-by-step explanation:
3/6 look at the pic to understand
Answer:
13.9
Step-by-step explanation:
d = √[(-3-9)²+(9-2)²]
= √[144+49]
= √194
= 13.9
