PLEASE HELP

Add the two expressions. 8.9x−5 and −6.8x+8 Enter your answer, in simplified form. *

1 point

A) -2.1x - 3

B) 2.1x + 3

C) 15.7x + 3

D) -15.7x - 3

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)

I’m really confused and need your assist me with this question i’ve never been taught