Answer:
Sophie's brother is 9 exactly
Step-by-step explanation:
Answer:
70 seconds
I think that's what you are looking for?
Well the formula for a triangle is base(b) times height(h) divided by 2.
I think the answer is 3, because D(12;-4) and D' is (36;-12). Then 36/12=3, -12/-4=3
(I hope it's true)!!! :)
A is the answer to your question