Help me or I’ll mark Brainly I just need a couple of answers finished

Step-by-step explanation:
3) 1 × 3 × 8 + [5 × 8 × (4-3)] = 24 + 40 = 64 yd³
4) 9 × 1 × 8 = 72 m³
5) 3 × 7 × 2 = 42 m³
6) 3 × 3 × (6 - 2) + 2 × 5 × 3 = 36 + 30 = 66 yd³
7) (7 - 5) × 7 × 3 + 8 × 7 × 5 = 42 + 280 = 322 mm³
8) 3 × 3 × 2 = 18 yd³
9) 8 × 5 × 5 = 200 cm³