7x+y-9=0
move constant to the left by adding its opposite to both sides. the sum of the two =0
The score(s) that will be obtained respectively in an independent-measures design and repeated-measures design are; 1 and 2
<h3>How to interpret Experiments?</h3>
There are different ways to carry out an experiment in mathematics. This is because there are various means of research and also ways to interpret the results.
Now, when comparing two treatment conditions, an independent-measures design would always obtain 1 score for each subject. However, when a repeated-measures design is carried out on the same sample, it will obtain 2 scores.
Read more about Experiments at; brainly.com/question/25677592
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ANSWER

EXPLANATION
The boundary line passes through (-2,2) and (0,-2).
The slope of this line is


The y-intercept is , c=-2.
The slope-intercept form of this line is given by;

We substitute values to obtain;

Since the lower half-plane is shaded the required inequality is

Answer:
it has infinitely many solutions because it can be solved by many technics
Step-by-step explanation:
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