b - the base
h = b + 3 - the height
The formula of an area of a triangle:
Substitute:
Part a.
We have
Dividing,
Ugh. It would have killed them to choose a perfect square?
We can't really tell the sign on the common ratio; there's not enough information. Let's just pick the positive square root going forward.
Part b
Part c
Part d
Answer:
12 for 7$
Step-by-step explanation:
Exponential model 0.996. Yes, 0.996 is very close to 1