Percy solved the equation x2 7x 12 = 12. His work is shown below. Is Percy correct? Explain. 1. (x 3)(x 4) = 12 2. x 3 = 12 or x 4 = 12 3. x = 9 or x = 8

What percentage of the earth's water is available for use by living things?

What kinds of antigens are found on the rbcs of a person with a+ blood

Which of these terms are associated with communication between neurons? chemical signals, electrical signals, synapse chemical signals, synapse, neurotransmitters synapse, electrical signals, chemical signals synapse, electrical signals, neurotransmitters