Answer:
-3x^2+6x-157
Step-by-step explanation:
Perimeter would be affected by the same scale factor, in this case 2. perimeter only has 1 dimension.
Answer: increas by a factor of 2
Answer:
4 weeks
Step-by-step explanation:
Julie starts out $100 behind Amanda, but earns $25 per week more than Amanda. That means she will catch up after 100/25 = 4 weeks.