Solve for x
x-31=-90

show how you got the answer

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Hich polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3

The water aquarium shark tank is always greater than 25 feet of the water level decreased by 6 feet during cleaning what was the water level before the cleaners took out any water