In which direction will a parabola with the equation y=-3x^2+9 open? downward left right upward

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

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)

Iam at home. /: i am playing video games. translate the following statement into symbolic form.