9units sorry for not showing work though but glad I can help
Answer:
−
8
x^
2
+
62
y
^2
+
46
Step-by-step explanation:
heheheh I do math lol
Answer: 
Since 8 is being multiplied to the 3 power we multiply it 3 times.
is written like 

Answer:
420/30=14 beats per second, meanin 1680 beats is your answer.
Step-by-step explanation: