System of equation
x+y=2
-3+4y=15

In a complex task such as creating a website for learning, instructors may want to support the generation of multiple solutions in learners' peer feedback. anonymity may create a social context where learners feel freer to express varied ideas, and make the task of giving feedback less inhibited. however, teachers need to know just how anonymity impacts the learning dynamic in order to make informed choices about when anonymous configurations are appropriate in peer feedback. references: howard, c. d., barrett, a. f.,

What refers to the existence of more than one level of government in the country

Brainliest to who answers! what is the function of a purchasing cooperative, or co-op?