A set of elementary school student heights are normally distributed with a mean of 105 centimeters and a standard deviation of 10 centimeters. Faisal is an elementary school student with a height of 103.1 centimeters.
What proportion of student heights are lower than Faisal's height?

multiply then divide

step-by-step explanation:

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