If a test that has reliability r is lengthened by a factor n(n ≥ 1), the reliability R of the new test is given by R(n) = (nr)/(1 + (n − 1)r), 0 < r ≤ 1.If the reliability is r = 0.25, the equation becomes R(n) = 0.25n/(0.75 + 0.25n)

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step-by-step explanation:

classify each pair of angles as alternate interior, same-side interior, or corresponding angles.

4n=2m

ratio of m to n: 2/4 = 1/2

answer

a. 1/2

2 equivalent expressions to represent the area of a rectangle and the top is n-3 and the side is 2

area of the rectangle = length * width

given length = n - 3

width = 2

replace it in the area

so area of the rectangle = (n-3) *2

= 2(n-3)

one of the expression is 2(n-3)

to get another expression we distribute 2 inside the parenthesis

2(n-3) is 2n - 6

so another expression is 2n - 6

two equivalent expression are

2(n - 3)   , 2n - 6