Which expression is equivalent to 9 p minus 3 p + 2? 8p

Use the matrix-column representation of the product to write each column of ab as a linear combination of the columns of a.

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤