Answer:
1,9
Step-by-step explanation:
$47.60 ends up being the sale price. Now subtract Or. price $68 and sale price $47.60 wich ends being the difference and is your answer $20.40
Answer: -9 1/3
Step-by-step explanation: 2x + 1 + x = -27
3x +1 = =-27
3x = -28
x = -9 1/3
Perpendicular.
Parallel lines will have the same slope (1/6 and 1/6 or -6 and -6)
Perpendicular lines will have opposite reciprocal slopes. (1/6 and -6)