Answer:
x=8,9
Step-by-step explanation:
x^2-17x+72=0
(x-8)(x-9)=0
x=8,9
Answer:
When s=2, A=24
Step-by-step explanation:
We are given the formula 
We need to solve and find value of A , when s=2
So, putting value of s in the given formula we can find value of A
The formula given is:

So, by putting s= 2, We get A=24
Step-by-step explanation:
120 + 400= 520 i think sorry not to sure
Answer:
x>3
Step-by-step explanation:
Ix<1 is unrelated to the interval as x>3 is.