Factor
b(b+12)=0
set to zero
b=0
b+12=0
b=-12
b=0 or -12
written as this way
b=-12,0
Answer:
cent/km
Step-by-step explanation:
Given


Required
The fuel cost in 
This is calculated using:




Multiply by
to get the cost in cents
cent/km
cent/km
Answer:
1
Step-by-step explanation:
if the boys go in front and the girls go in the back there is only one way to put them
48 i know because i used a calculator
Answer: 88
Step-by-step explanation:
check google if its wrong :)