Mike wants to work out the height of a tree which has a fence all around it. From A he sees that the angle of elevation of the top is 19º.
From B, 18 m closer, the angle of elevation is 32°.
Work out the height of the tree.
+
T
h
fence
32°
19°
B
18 m

City l has a temperature of −3 °f. city m has a temperature of −7 °f. use the number line shown to answer the questions: number line from negative 8 to positive 8 in increments of 1 is shown. part a: write an inequality to compare the temperatures of the two cities. (3 points) part b: explain what the inequality means in relation to the positions of these numbers on the number line. (4 points) part c: use the number line to explain which city is warmer. (3 points)