-1 and 25
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Answer:

Step-by-step explanation:
we know that

----> 
see the attached figure to better understand the problem
Triangles ABD and BCD are similar by AA Similarity Theorem
Remember that
If two figures are similar, then the ratio of its corresponding sides is proportional
so

substitute the given values



simplify

Answer:
angle 1 and angle 7
Step-by-step explanation:
If two lines intersected by a transversal form supplementary same-side interior angles, then the lines are parallel.
At 0 weeks she had 75 L water remaining in the barrel (0, 75)
Since she used 5L each week, then at 15 weeks she had 0 L remaining (15, 0).
Answer: Top Right graph
Your answer is
(n)=0.4n-.025;$11.75
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