Answer:
248
Step-by-step explanation:
A=height b times base divided by two
which is:
A= 16 times 31 divided by two
Answer:
B - Lower case letters
Step-by-step explanation:
In algebra, unknown quantities are usually represented as lower-case letters like
etc.
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.
Answer: 
Step-by-step explanation:
Move all terms to one side.

Use the Quadratic Formula.
, 
Answer:
c
Step-by-step explanation: