Since the new slope would be calculated to -3, the equations are neither parallel or perpendicular in accordance to each other.
Answer:
Following given solution will help you!
If angle 10 and 15 are congruent ( the same) that would mean lines a and b would need to be parallel with each other because that have the same angles.
The answer ic C.
If there is 10% of $18 = 18 x 0.9 (1 - 0.1) = $16.20
Therefore the pie costs $16.20
He is saving 18 - 16.20 = $1.80
