Answer:
-1
Step-by-step explanation:
Step-by-step explanation:
step 1. I guess we assumed the two lines across the transversal are parallel
step 2. 3x + 1 = 85 (definition of alternate exterior angles)
step 3. 3x = 84 (subtract 1 from each side)
step 4. x = 28. (divide both sides by 3)
The discount is $8.40. Just multiply 42 by 20 and you get 840 then move the decimal two places to the left.
4.6, 6.41, 6.46
Hope this helps her!
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