Hi guys please can someone help me also pls can you not put the answer in a file for some reason it won't open :)

Simply 8x squared + 5(7x squared- x) - 2x =

What is the area of the triangle 10 13 12

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.