a system of equations has 1 solution. if 4x – y = 5 is one of the equations, which could be the other equation?y = –4x + 5y = 4x – 52y = 8x – 10–2y = –8x – 10

After rain, water soaks into the ground and is added to the groundwater. this process is known as a. groundwater pollution. b. groundwater recharge. c. groundwater recycling. d. groundwater filtration.

What is a good tip to follow in the day you take the aspire test or psat

The graph shows the populations of two species in a particular region over two decades. based on the graph, what can you conclude about the relationship between the two species? a. the two species have a parasitic relationship. b. the two species are mutualistic in nature. c. the two species exhibit commensalism. d. the two species have a prey-predator relationship. e. the two species have a familial relationship.