Select the best method to solve the system. y = x + 3
2y = 2x + 4
a) substitution
b) elimination
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Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

You put the following items into your rucksack. ham 600 g cheese 380 g tomatoes 270 g how much do all the ingredients weigh in total?

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)