The statewide results of a standardized math test had a normal distribution and a mean of 70. Mr. Smith's students took the same test and the graph above depicts their results. What does the mean score of Mr. Smith's class suggest about how well his students are performing relative to the state scores? What does the distribution of scores in Mr. Smith's class suggest about how well his students are performing relative to the state scores? M​

Study this image which statement best describes the rock shown check all that apply

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

Which particle controls what element an atom is?