Answer:
30
Step-by-step explanation:
Just insert the value of x into the equation.
x = 3 right?
6^2 + 3 - 3^2 because x = 3
36 + 3 - 9 = 39 -9 = 30
:D
i think y=3/4x-4.2
is the 5.2% per hour or for the whole 25 hours?
Need to know in order to solve the question