Answer: There are 140 adults and 40 children.
Step-by-step explanation:
Let 2x = Number of children
7x = Number of adults.
As there are 100 more adults than children.
That means, 

Number of children = 2 (20)=40
Number of adults = 7(20) = 140
Hence, there are 140 adults and 40 children.
Answer:
C. ) f(x) has no real zeros because the graph of the function does not pass through (0, 0).
Step-by-step explanation:
According to L'Hospital's Rule, this is true.
2.675cm - 2.5848 cm = .0902 cm
AnswerD. 0.0902 centimeters