A(0.3−y)+1.1+2.4x= 0 (y−1.2)=−1.2(x−0.5) consider the system of equations above, where a is a constant. for which value of a is there exactly one (x, y) solution where y = 1.3y? round your answer to the nearest tenth.

What percentage of the earth's water is available for use by living things?

What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct

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.