Determine whether the equation represents a linear function. y= -x (exponent 2)

giving brainliest to whoever shows work

Write as a product of 2 binomials and a monomial (factor out as much as possible from each binomial). ! i do not understand, any is appreciated : ) whoever gets the best answer recieves brainliest and points! (4x–12x²)(16y³+12y²)

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)