To estimate the degree of a polynomial, you just have to take a look at the highest power in the expression. Since here, that is number 4, then it means that this polynomial is a fourth degree polynomial, or quartic polynomial, if you want to sound smart. :)
Answer:
<h3>The volume of the prism is cubic

centimeters.</h3><h3>
Step-by-step explanation:</h3><h3>Given that a rectangular prism has the following dimensions:</h3><h3>

</h3><h3>We know that a rectangular prism of length 'l', width 'w' and height 'h' is given by</h3><h3>

</h3><h3>Therefore, the volume of the given prism will be</h3><h3>

</h3><h3>Thus, the volume of the prism is

cubic centimetres.</h3>
Answer:
Step-by-step explanation:
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!