The length is 54 ft because 13.5 in. is equal to .25*54 so 1*54 would be your answer in feet.
Answer:
they are like terms
Step-by-step explanation:
the sign ± is not a matter only veriable and power
In algebra, like terms are terms that have the same variables and powers. The coefficients do not need to match. Unlike terms are two or more terms that are not like terms, i.e. they do not have the same variables or powers. The order of the variables does not matter unless there is a power.
The answer is C I believe. I wasn't sure what exactly D was saying, but I am pretty sure the answer is C