Answer:
Just units
Step-by-step explanation:
Looking for perimeter, not area and volume
Answer:
I believe that the answer is 'n=8'.
Answer:
Step-by-step explanation:
B. -3
Hope that helps!
Answer:
18 and -2
Step-by-step explanation:
Let x = 1st no.
y = 2nd no.
(1) x + y = 16 (2) xy = -36
y = 16 - x x(16 - x) = -36

(x - 18)(x + 2) = 0
x = 18 or x = -2
y = 16 - 18 = -2
y = 16 -(- 2) = 16 + 2 - 18
The two numbers are 18 and -2
Answer:
4
Step-by-step explanation:
-8+12=4
4-12=-8