Ihave 8 question on round to the place valve of the underline digit

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

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)