Answer:
The first one
Step-by-step explanation:
It depends if x is positive or negative and the same as in y
First find the amount of tax by multiplying 21 × 8.5%.
.085 × 21 = 1.785 = 1.79 (rounded)
Now add the tax back into the price...
21 + 1.79 = $22.79
We calculate 40% from 369,00 $, this is discount
40%*369=

After sale coat costs 147,60 less so:
369 -147,60=221,40 $
Now I will pay for the coat 221,40$.
I'm believing you want question 3 answer if so:
a 3> -7
b. -8>-10
c. 12>-11
d. 7=7
e.-4<0
f.0<5