Answer:
you can use the formula of ś = s (1+r/100)^t
Step-by-step explanation:
where ś = sales after 7 years
t= time taken
s= initial sales
r = rate
Yes, your work is correct.
The diagram does illustrate x²+6x+9=72. This is also represented by
(x+3)² = 72
We can take the square root of both sides:

When we evaluate this, the answers are x = -11.5 or x = 5.5.
Answer:
21
Step-by-step explanation:
10x^4y^4+2x^6-15y^6-3x^2y^2