Aglider begins its flight 3/4 mile above the ground. after 30 minutes, it is 3/5 mile above the ground. find the change in height of the glider?

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.]