Answer:
Age= 15
Step-by-step explanation:
Let a be for age at the moment
(a-3)^2 =6(a+9)
a^2-6a+9=6a+54
a^2-12a-45
(a-15)(a+3)
a=15 or a=-3
Age cannot be negative (-)
Therefore
Age =15
Answer:11.23 billion message me if you need explanation
Answer:
18
Step-by-step explanation:
You have to set the equations equal to each other and then solve for the variable.
Hope this helps:)
Answer:
Linear equation
Step-by-step explanation:
f(x) = 2x + 15
Linear because constant increase
Answer:
+5 is greater that -5 and is also a opposite integer.