4 I think i'm sorry if I get it wrong. Hope I helped ≥ω≤
Answer:
Step-by-step explanation:
12<18/3(-2)+12 turns into 12<18/-6+12
False
It's 21 square units. If you map it on a complex plane (x-axis is real numbers, y-axis is imaginary numbers) you'll see that the sides of the rectangle is 3 and 7 which multiply to 21.
They can line up 20 different ways