Acollector has 50 movie posters and 40 band posters. she wants to sell 20 movie posters but still have her poster collection maintain the same ratio of 50: 40. if she sells 20 movie posters, how many band posters should she sell? complete the explanation to find out how many band posters she should sell.

her current ratio of movie posters to band posters is 50: 40. if she sells 20 movie posters, she will have left. 5040 = 30, so she should sell band posters.

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

How many zeros does the function f(x)=4x3-x2+1 have

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)