Ican"t figure this one !

steven recorded the growth of a plant over 10 wk for his science project. he made a graph that shows how much the plant grew each week. the plant was 2 in. tall when steven started his project. at week 5, the plant was 8 in. tall. complete the equation that represents steven’s situation.
y= x+

Which of these organisms have the greatest amount of cell specialized

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .