Answer:
$900
Step-by-step explanation:
If the $810 is the price after 10% discount that means
$810 is 90% of the original price
So we divide 810 / 90% or 810 / 0.9
to get $900 as final price
Multiply x times -2 then times the second number times -1
3

x
You can put that on a number line. Be sure that the dot you use is closed.
Answer:
area = 108 cm^2
Step-by-step explanation:
area = Pi(r^2)
using Pi = 3
r = D/2 = 12/2 = 6
area = 3(6^2) = 3(36) = 108 cm^2
I got this wrong just to help you figure out the right answer. (I just did not answer and this is the final result)