Ihave 3 algebra questions can anyone ?
the assignment is about : subtract polynomials
what i have to do : subtract the polynomials, showing all the steps necessary to write the answer in simplest form.

1. (9x - 4) - (3x + 2)

2. (3x^1 + 8) - (2x^2 + 1)

3. (5x^2 + 3x - 4) (x^2 - 6x )

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.

X-10/4 when x = –18 a 7 b –2 c –7 d 2