The figure above shows a store’s supply-demand graph for lawn chairs. if the store makes $800 by selling lawn chairs, which of the following is a possible valid price for them? a. $50 b. $40 c. $25 d. $20

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]