B -4-1 because the one is positive and the 4 is negative
Area of square = (length)²
OR

Answer:
20
Step-by-step explanation:
P/5 + 6 = 10
P/5 = 10 - 6
P/5 = 4
(cross multiply)
P = 5 × 4
P = 20
The solution of a system of equations is the place where they cross; the point where both equations are true. find the place on your graph where your two lines intersect.
you should find (2, 3) as the intersection point. this is the solution for the system.