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 )

1.  9x^2+4x-8

2. 6x^3+16x^2+3x+8

3. 5x^4-27x^3-14x^2+24x

if you're trying to figure out how much each ounce cost it would be 0.20

cents each ounce

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true