Answer:
slope intercept form is y=mx+b
your m is 4
all you do is plug the numbers in
y=4x+6
Step-by-step explanation:
that means she spent 3months in Spain to learn Spanish while she spent 9months in colombia
The answer is no solution
Step-by-step explanation:
The equation is
and 
Subtracting these two equations, we get,

Thus,
is not possible.
Hence, the system of equations have no solutions.
Each month the new total you be
initial amount * 1.024
Repeating the process for a year (=12 months) you get
initial amount * 1.024^12
Being initial amount = $100
100*1.024^12 = $132.92
After 1 year you will have $132.92