a journey between 2 towns is exactly 90 km. use a graph with aleast 5 different speed in km/h to model how variation in speed(x) over the journey causes variation in time taken (y) to complete the trip . time should be in minutes​

Complete the two-column proof. given: 5/x + 9 = 11 prove: x = 10 5/x + 9-11 select one: a. a. given b. subtraction property of equality c. division property of equality b. a. given b. subtraction property of equality c multiplication property of equality ca. given b. addition property of equality c. multiplication property of d. a. given b. addition property of equality c. division property of equality