Answer:
34.5 units²
Step-by-step explanation:
7 x 3 = 21
4.5 x 3 = 13.5
21 = 13.5 = 34.5 units²
-22
3,468
i multiplied 2,844 by 3 and got 8,532 i then subtracted that from 12,000 and got 3,468
