Answer:
.5 inches a month
Step-by-step explanation:
52 - 43 = 9 inches
9/18 = .5
0.5 inches a month
subtract 43 from 52 and divide that answer by 18
52-43=9 9÷18=0.5
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62.5%
20 seconds
roots are (0,0) and (20,0) so 20-0 will provide the time from takeoff to landing
5/4
1. -13 - -8 = -5
2. 4-8 = -4
3. -5/-4 = 5/4