D. If you ask the amount of projects completed using the computer lab you are asking a statistical question. Hope this helps!
the answer is none of the above because the variable cant be combined and 56 cant either.
The equation is y = 1/2 x + 13, where x is the number of days, and y is the length of the barrier
Answer:

Step-by-step explanation:

Add 25 to both sides:


Square root both sides:
(Since a negative number multiplied by itself gives positive, there are two answers.)
