Answer:
y^5
Step-by-step explanation:
y^-2/y^-7
When we divide exponents with the same base, we subtract the exponents
y^ ( -2 - -7)
y^ ( -2+7)
y^ 5
Convert mixed number to improper fraction:

Answer:
the answer is A. because a 1/2 inch is 2 feet there is about 2 and 1/2 of an inch so if you add that, that will be 9 feet
Step-by-step explanation:
Answer:
No, his heartbeat is 48 beats per minute (12 beats below the minimum beats per minute of a typical person's heartbeat (60 beats)).
Step-by-step explanation:
Every 10 seconds, Noah's heart beats 8 times.
Therefore, every 1 minute, his heart beats 48 times.
Noah's heartbeat is below a typical person's resting heart rate.