Answer:
Length = 28
Width = 14
Step-by-step explanation:
14 + 28 = 42
42 x 2 = 84
28 / 14 = 2
15+10-4
is 21 so it is the answer
the factor of 12 is 1 2 3 4 6 12 so that
-3(n+4)
Answer: 6