Solving Multi-Step Equations An alligator hatchling 6 inches long grows about 12 inches per year. The expression 12a + 6 represents the length in inches.
RX J0720.4 -31.25: a precessing X-ray pulsar? Spectral and temporal variations/ phase coherent timing Markus Hohle Astrophysikalisches Institut und Universitäts.
Biomarkers in Super Earth Atmospheres: Photochemical Responses John Lee Grenfell Zentrum für Astronomie und Astrophysik, Technische Universität (TU) Berlin.
