1a) A house contractor needs to repair the roof on a
home. She wants to hire the company that will give her
the lowest price. The two options are shown below:
- Everyday Roofing: charges $80 plus $2 per shingle
- Quality Concrete: charges $60 plus $3 per shingle
We can represent the cost of repairing the roof using
these two companies with two equations:
- Everyday Roofing: y = 2x + 80
- Quality Concrete: y = 3x + 60
In these two equations, what does the "X" represent?

dont trust me im no expert these losers made me fail a test bro this sucks

step-by-step explanation:

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statement #3: proof- ang is congruent to ang ecd : angles are congruent.  

step-by-step explanation:

1: the missing angles in statement #3  

a.) acb  

reason- the reason why the answer is acb is because angle ecd and angle acb are both the same size *that's what the word congruent means this is really simple.  

2: the missing word in reason #3  

c.) vertical  

reason- the reason why the answer is vertical is because the angles in that diagram on figure 2 is slanted, which is vertical, and the e and a both lay on vertical lines. along with the other's, but e and a are the 2 main points you want to focus on. and c is kind of like your starting point, because c is for both angles, not just one.  

i hope that was and understanding.