Answer:
x=4
Step-by-step explanation:
5x-4x+2=6
x+2=6
x=6-2
x=4
here
p= 15000
r=15%
t= 3 yrs
now
depreciation = p(1-r/100)^t
= 15000(1-15/100)^3
=9211.875
=9212 or 9211.88
The answer is B. Testing random samples of wild animals to decide whether they are healthy
I believe #7 is D) 5.5 x W