Which step is not necessary when solving this system of equations by graphing? 3x-y=4 X+y=-4 O Identify the point of intersection. O Choose a method to graph the equations. O Determine the shaded area for each line. O Write the solution as an ordered pair. Unmark this question Save and Exit Next​

Drag each scenario to show whether the final result will be greater than the original value, less than the original value, or the same as the original value. 1. a 25% decrease followed by a 50% increase 2. a 20% decrease followed by a 25% increase

Which representation has a constant of variation of -2.5

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal, mutualistic, or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp