Christopher bought a new watch at the store when they were having a
20%percent off sale.
if the regular price of the watch was
$48 how much did christopher pay with the discount?

$38.40

Step-by-step explanation:

20% x 48 = 9.6

48 - 9.6 = $38.40

32

step-by-step explanation:

hello from mrbilldoesmath!

answer:   x^2 + y^2 = 1024

discussion:

the equation of a circle with center (h,k) and radius "r" is

(x-h)^2 + (y-k)^2 = r^2.

in our case

(x-0)^2 + (y-0) ^2 = 32^2 = 1024

you,

mrb