we have the price of TV is $3960.if we round off to the nearest tens we get same 3960 because we have 0 at the end which means lesser than 5 so 60 will be the nearest ten.
discount =
so $990 will be the discount.
and the cost of TV after discount is 
Answer:
y
=
x
+
8
Step-by-step explanation:
Step-by-step explanation:
y - 3 = -1(x- -2)
y-3 = -x -2
Y = -x +1
A = 7
b = -18
c = -52
Do you know what the Quadratic formula is to solve?