(2h+7)(2h-7) What Is The Answer?
(2h+7)(2h-7) what is the answer?
Answer:
(4h²-49)
Step-by-step explanation:
use foil method
(2h+7)(2h-7)
(4h²-14h+14h-49)
(4h²-49)
How Many Times Did Heart Pump In A Minute
How many times did heart pump in a minute Answer: about 72 times per minute on average.
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