The answer is 0.5
A percentage is over 100.
So rewrite 1/200 with a denominator of 100, then the numerator is the percent.
Answer:

Step-by-step explanation:
We want to use similar triangles to find the height, h of triangle ABE.
First, we determine the similarity ratio.
AE:DC=20:10=2:1
This implies that:, the height of triangle DBC is 0.5h.
From the diagram, the sum of the two heights is 36cm
This implies that:


Divide through by 1.5


Sorry I need a picture to answer sorry :c
Answer:
B. students 12, 60, and 74
Explanation:
All three numbers are in the random sample set given.
4+x=7
Move +4 to the other sign. Sign changes from +4 to -4.
4-4+x=7-4
x=3
Answer: x=3