the options that are polynomials are:
3.9x³-4.1x² + 7.3
x²y²-4x³+12y
4-x²
<h3>Which algebraic expressions are polynomials?</h3>
A polynomial is an expression of the form:
p(x) = aₙ*xⁿ + ...+ a₂*x² + a₁*x + a₀
Where all the exponents of the variable are whole numbers, and in this case we have only one variable x, but we could have any number of variables.
With that in mind, the options that are polynomials are:
3.9x³-4.1x² + 7.3
x²y²-4x³+12y
4-x²
These 3 expressions are polynomials.
If you want to learn more about polynomials:
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Answer:
The 25,000 adult American pine trees in the forest.
Step-by-step explanation:
Consider the provided information.
It is given that the forest contains 25,000 adult American pines. The study involves collecting heights from 250 randomly selected adult American pine trees and analyzing the results.
A population is the set of data which includes all of the elements. If one or more observations are drawn form the population then it called a sample.
Here the population is 25,000 adult American pines.
Thus, the required answer is: The 25,000 adult American pine trees in the forest.
Answer:
He spilled 4 cups
Step-by-step explanation:
100-88 is 12
Meaning that Azeriah lost $12 and if he loses $3 per spilled cup he spilled 4 cups
Answer:

Step-by-step explanation:
Perimeter of a square:
The perimeter of a square of side x is given by:

Perimeter of a rectangle:
The perimeter of a rectangle of length l and width w is given by:

The length of the sides of a square measure 2x-5.
This means that the perimeter of the square is:

The length of a rectangle measures 2x, and the width measures x + 2.
This means that the perimeter of the rectangle is:

For what value of x is the perimeter of the square the same as the perimeter of the rectangle?
This is x for which:

So





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