Answer:
all work is pictured and shown
Answer: 0
Explanation: Displacement is how far something or someone is from the starting point, in this case, the frog, so it moves 18F then 6B then 12B, so 0+18-6-12=0.
Hope this helps! :)
Option A
x+8=-3
x+8-8=-3-8
x=-11
Hope I didn't mess up for your sake!
1) 2a = 9b ⇒ 2:9
2) a + b = 3b ⇒ a = 2b ⇒ 1:2
Answers: 2:9 and 1:2