Maggie has a collection of music cds. in maggie's collections 5/7 of the cds are "classical" and 2/8 of the cds are "rock and roll" maggie said that 7/15 of her collection is "classical" or "rock and roll" glenn said that maggie made an error explain whether glen is correct or incorrect and why

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

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)

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6