An exponential function is graphed in the xy‑plane. if the graph of the function is always decreasing and has a y‑intercept of 20, which of the following could be the function's equation? a) y=−20(1.75)^x b) y=20(1.75)^x c) y=-20(0.75)^x d) y=20(0.75)^x

The authors use the word “backbone” in lines 3 and 39 to indicate that

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 the_ work-study program, college students who have financial needs can work part-time jobs to pay for education expenses. a stafford b university c federal d pell