Can someone help me please and thank you this is for science

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

Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)

Why has there been such a large increase in theft and other crimes in the u. s