7. What is the description of 21 as it relates to the situation shown? 5 A. Z1 is the angle of elevation from the airplane to the radar tower. B. Z1 is the angle of depression from the radar tower to the aiſplane. C. 21 is the angle of elevation from the radar tower to the airplane. D. ZI is the angle of depression from airplane to the radar tower.

gregory's graph is incorrect because it shows 2 inches of growth for each week when it should show 0.75 inches of growth each week.

x -

median = 1.25

range = 12-14.5

interquartile = q12-q14.5

y -

median = 1

range = 15-17

interquartile = q15-q17

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24