1. what is the y intercept, and what dose it represent? (must contain both questions for full credit)
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2. what is the slope, and what dose it represent? (must answer both questions for full credit)
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3. what is the equation of the line?
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4. what dose the ordered pair (4,120) represent l in context of this problem?

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

What does the process of natural selection involve

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat