To paint a house, a painting company charges a flat rate of $500 for supplies, plus $50 for each hour of labor. Do not use commas!

How much would the painting company charge to paint a house that needs 20 hours of labor?
How much would the painting company charge to paint a house that needs 50 hours?
What is the slope of the line?
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Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem