<span>Differentiate The speed s that brent can ride his bike if he ridwith respect to the variable x.
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Answer:
Step-by-step explanation: Chemical signal is the type of communication which coordinates actions between neighboring cells . This ability originated in single cells organisms and was essential for the evolution of multicellular organisms because after a cell receives a message, it is transferred across the plasma membrane and changes are brought about within the cell in response to this message.
It is B. the differences are added together
4 gallons = 25% alcohol
He wants 50% alcohol, therefore, let’s double the amount.
8 gallons = 50% alcohol
Answer is 4 more gallons should be added to have 50% alcohol