Answer:
7z
Step-by-step explanation:
You can try using PhotoMath bro, it solves a lot of math problems. By the way, I’m just letting you know. It’s an app you can download
Similar triangles have corresponding sides with proportional lengths.
AB/BC = DE/EF
5/9 = 7.5/EF
5(EF) = 9 * 7.5
5(EF) = 67.5
EF = 13.5
Answer:
1. B
2. E
3. F
4. H
Step-by-step explanation:
Because they all lie under the topic of gravitational potential energy