A child, 1 m tall, is walking directly under a street lamp that is 5 m above the ground. If the child walks away from the light at the rate of 16 m/min, how fast is the child's shadow lengthening?

Which of these is the most likely way long-term economic growth takes place? a) increases in interest rates b) increases in overall price level c) increases in labor productivity growth d) increases in labor force participation rate

When you are driving slowly in the freeway fast lane, blocking traffic which wishes to pass you should

30 a town is built on the banks of a small lake on the edge of a desert. after some time, the townspeople discover that water from the lake has become too polluted to use. describe one way that the lake may have been contaminated by the actions of the townspeople, and explain how the townspeople can remediate this problem.