Answer:
Conver the sales tax to a decimal and ad it to 1, then multiple that total to the price of the item. Please mark as breinlest
The general equation of a line is:

When m is the gradient and x1 and y1 are the coordinates of the points on the line
Therefore:


Answer:
3^(n+1) - 3^n / 3^(n-1) = 6
Step-by-step explanation:
9(x - 11) = 9
x - 11 = 9 / 9
x - 11 = 1
x = 1 + 11
x = 12
Hope it will help :)