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Perry collects loose change from his job as a waiter at a diner. For each shift he works, he collects $8 in change. Each week, he uses $3
of this change to do his laundry. If he works s shifts per week, which equation could Perry use to determine how many weeks (w) it
will take him to save up D dollars in change?

Given: m∠apc = 27°, m dc = 27° find: m ab

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers