A student solves the following equation and determines that the solution is −2. Is the student correct? Explain. 3 a 2 − 6a a2 − 4 = 1 a − 2

2) the relationship between temperature in degrees fahrenheit, f, and units kelvin, k, is given by the formula k32) 273.15. which of the following readings, in kelvins, is equivalent to a fahrenheit reading of 7 (rounded to the nearest hundredth decimal place)?

2(4p+1)/5< = (3+12p)/4 its less than or equal solve it for me an with explanation plz

This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.