81x - 126x ÷ 3x + 1
45x / 3x + 1
15x / x + 1
Answer:
16cm2
Step-by-step explanation:
(1/2) × 8 ×4=16cm2
the answer is 16 cm squared
-3/6 -5/7
-21/42 - 30/42
-51/42
- 51/42 = - 1 9/42
hope this help
2.439022e is the answer I'm pretty sure. Hope this could help!
