Answer:
tan 21 = 17 000 / d
d = 17000/ tan21 = 44286.5 ft
Answer:
m=-4
m-4=2m
m-2m=4 combine like terms
-m=4 change the signs on both sides of the equation
m=-4
The 9th student is in the middle.
⇒ There are 8 students before him
⇒ There are 8 students behind him
Total number of students = 8 + 1 + 8 = 17
Answer: 17
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Apply distributive property :
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5(a + 4) = 5a + 20 (Answer D)
