Answer:
4r- 21
Step-by-step explanation:
4 - r= r and r+ 21/= R21 and Simplified Is -4 and R21
It’s a grouping of linear(straight line)equations that deal with the same variables. Hope that helped?
Answer:

Step-by-step explanation:

Answer:
There's one 0.
Step-by-step explanation:
Because I multiplied it and there's only one 0.
{(-5,9),(2, 31), (9, 143), (11, 151),(0, 42),(5, 97)}
wlad13 [49]
The number 7 is the best prediction of the output when the input is 13.
<h3>What is the equation of a line passing through two given points in 2 dimensional plane?</h3>
Suppose the given points are (x_1, y_1) and (x_2, y_2), then the equation of the straight line joining both two points is given by

The equation of the line is found as;

Learn more about straight line equation here:
brainly.com/question/380976
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