Answer:
2x²-7x
Step-by-step explanation:
7x²-5x²=2x²
10x-3x=7x
Area of a triangle is half multiplied by the height multiplied by the base.So multiplying the two together and halfing is shown below
Answer:
1. 144km
2. 96 km
3. 200 km
Step-by-step explanation:
see image