Simplify the following expression: (x - 8y) - (2x - 4y). if the final answer is written in the form ax + by, what is the value of b?

How do i do this activity, is appreciated

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no