Colette is on a canoe trip. Her team paddles the canoe at a constant rate of 3 km/h and they portage at a rate of 0.5 km/h. All together they will travel 7.5 km. a) Write an equation to describe this relation. Be sure to identify two variables using “let” statements.

3× __ -2=15 7 2× __+1=7 5 7× =22 15 5× __+10=2 8 × __+4=20 6 × =10 3 × __+2=8 6 × __+8=8 9 × __+7=20 6

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.

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)