A school is constructing a rectangular play area against an exterior wall of the school building. It uses 120 feet of fencing material to enclose three sides
the play area
е l
w
school building
D. Write an equation to represent, the length of the play area in feet, as a function of w, the width in feet
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c. Write an equation to represent A the area in square feet, as a function of w, the width in feet

answer: 21$

step-by-step explanation:

$42 / $14 = 3   (ratio 3: 1)

$7 x 3 = $21

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

a. is correct