the area of a square frame is 55 square inches . what is the length of one side of the frame to the nearest tenth of an inch ?

7.4

Step-by-step explanation:

If you take 55 and square root it, you will get your answer. This is because to get an area you take the 2 sides and multiply it to get the final answer and the sides are equal because it is a square.

I hope this helps

a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1  

the answer to your question a or b but i am pretty sure it is b. i hope this : )

step-by-step explanation: