HELPP PLS IM SO CONFUSED

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part 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 (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?