3x + 4y = -23
2y - x = -19

what is the solution (x, y) to the system of equations above?

If you perfer to learn by reading to yourself instead of participating in a group discussing, you are most likely an

Ahands-free device may only be used if it can be activated or deactivated with a

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.