B. A rancher plans to make four identical and adjacent rectangular pens against a barn, each with an area of 400 m² (see figure). What are the dimensions of each pen that minimize the amount of fence that must be used?

Let x be the length of the sides perpendicular to the barn and let L be the total length of fence needed. Write the objective function.

b

step-by-step explanation:

the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years

b. ol

step-by-step explanation:

i got the answer right on edg.

congruent: (geometry) (of figures) identical in form; coinciding exactly when superimposed.