Question 4 of 12, Step 1 of 1 3/15
Correct
Three potential employees took an aptitude test. Each person took a different version of the test. The scores are reported below.
Kiersten got a score of 76.1; this version has a mean of 64.2 and a standard deviation of 7
Tera got a score of 311.2; this version has a mean of 293 and a standard deviation of 26.
Kerri got a score of 7.97; this version has a mean of 7.2 and a standard deviation of 0.7.
If the company has only one position to fill and prefers to fill it with the applicant who performed best on the aptitude test, which of the applicants should be offered
the job?
Answer
m Tables
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is this a answer or a question I don't understand?

5x + 3y = - 4

step-by-step explanation:

the equation of a line in standard form is

ax + by = c ( a is a positive integer and b, c are integers )

express the line first of all in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (7, - 3) and (x₂, y₂ ) = (4, - 8)

m = = -

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (4, - 8 ), then

- 8 = - + c ⇒ c = -

y = - x - ← in slope-intercept form

multiply all terms by 3 to eliminate the fractions

3y = - 5x - 4 ( add 5x to both sides )

5x + 3y = - 4 ← in standard form