Suppose that O= {o, r,a, n,g, e} A= {a, p,l, e} B= {b, a,n}
Put one of the symbols £ and €.
a) r...O b) p...A

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)

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount