Answer:
Step-by-step explanation: one angle is 6x + 9 also equals to 9x -30
9x - 30 = 6x + 9
3x = 39, x = 13
Angle is 6×13+9 = 87
This kinda took a lot of effort but hope it helps
<em> 1 euro equals 1.25 dollars</em>
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Explanation:</h2><h2>
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In this problem we know that:
- Christopher withdrew 30 United States dollars (USD) from an automatic teller machine in Germany.
- He received 24 euros (EUR).
So we can solve this by using unitary method:

So<em> 1 euro equals 1.25 dollars</em>
<em />
<h2>
Learn more:</h2>
Converting units: brainly.com/question/8426032
#LearnWithBrainly
Answer:

Step-by-step explanation:
Let the side length of the square base =s feet
Let the height of the box = h
Given that the volume of the box = 
Volume of the box =
Then:

Surface Area of a Rectangular Prism =2(lb+bh+lh)
Since we have a square base, l=b=s feet
Therefore:
Surface Area of our closed box

Answer:A,D,E
Step-by-step explanation:
Just did the assignment