Please answer and show the solution and explain - numbers 12, 13, 14, 15 and 18. 12. In preparation for les Jeux de la francophonie canadienne, Jean-Luc ran two laps around a 400-yd. track. Michael did seven 110-m hurdle practice races. a) Who ran farther? b) Use unit analysis to verify the conversion. 13. The tallest structure in Canada is the CN Tower in Toronto. It is 553.3 m tall. The tallest What is the maximum number of homes the structure in the United States is the Willis Tower, previously known as the Sears Tower, developer can fit on this land? in Chicago. It is 1451 ft. tall. 18. The imperial unit to measure an area of land is a) Determine the height of the CN Tower in the acre. During the initial agricultural feet and the height of the Willis Tower in metres. expansion of the western provinces, the b) Which structure is taller? Explain how you Canadian government offered 160 acres of land know. free to settlers who were willing to immigrate to c) Determine the difference in the heights of Canada. Today, Canada uses the hectare to the structures, in metres and to the nearest measure land area: foot. 1 hectare = 2.471 acres 14. On a lease site, an oil company determined that a) How many hectares did each settler receive? there was an oil reserve 1400 m beneath the b) One hundred sixty acres is a square with a surface. While the crew drilled, it lined the hole side length of one-half a mile. How many with casing. Each 32-ft. piece of casing was hectares are in one square mile? welded to the previous piece to prevent the hole from collapsing. How many sections of casing did the crew need to reach the oil reserve? C 15. The rim of a basketball net is mounted 10 ft. off the ground. A basketball player has a maximum reach of 2.5 m. How high, in inches, does the player need to jump to reach 6 in. above the rim