please helppppp mee I'm so confused


(Exercises Find the area of each figure. Round to the nearest tenth if necessary. 2. 8 cm 1. H 14 in. 5 in.¦ 3. 12 in. 7 in. 7 in. 26 in. 13.5 cm -18 cm 4. 0.9 m 0.4 m 0.8 m) ​