Point a(-5,8) is reflected across the line y=x what are the coordinates of a? show work/explain

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

Write as a product of two polynomials. 2(3–b)+5(b–3)^2

Which number completes the system of linear inequalities represented by the graph? y > 2x – 2 and x + 4y >