Answer:
a=
or 
Step-by-step explanation:
Equate the equation to zero
-9a+2=0
-5a-4a+2=0
5a(2a-1)-2(2a-1)=0
Write out the factors
(5a-2)(2a-1)=0
Then equate each factor to zero
5a-2=0 OR 2a-1=0
5a=2 OR 2a=1
a=
OR a= 
a=
or 
The third answer is the correct answer
Answer:
Answer:
27 days
Step-by-step explanation:
It is a simple division question
18 / (2/3)
Multiply by reciprocal
18 * 3 / 2 = 27
Step-by-step explanation: