The sign in front of the 2 is "-" meaning negative. So if it is -2, then that means the team lost yards. So, the Smart Blues lost 2 yards.
D.
You have to make a proportion. Set it up 5/6 = x/50. Then cross multiply. 5x50=250. 6 x <em>(x)</em> = 6x. 6x=250. 250/6=41.66666. x=41.6666. Round up, and the building is about 42 ft. tall.
C. 155
Explain:
40 + 35 + 25 + 20 + 35 = 155
