Choose the polynomial that is described. A trinomial in one variable of degree 3.a. 4r2-9t+7b. 3r2+4t-9 c. 4r3 d. 4r3 -9t +7

There is no trinomial.

A trinomial is a polynomial with three nonzero terms

Here we have to find trinomial in one variable of degree 3 .

Since in given four options a , b , d have equations in two variables and c have only one term so there is no trinomial.

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C. 4r³

Step-by-step explanation

A trinomial is an expression having three terms. A polynomial with degree 3 that which its leading variable has a power of 3. For example an example of such polynomial in one variable is expressed as 2x³+4x²-7. This equation has 3 terms and the leading variable has a power of 3 with only x as the variable

From the given options based on the explanation, the correct answer will be 4r³. This can also be written as a trinomial as 4r³+0r²+0r

The rest contains more than one variable.

number one is the correct answer

step-by-step explanation: dogs and cats are mentioned, no other animals

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