Answer:
nn + dd ≤ 20
≤ = at most or
less than or = to
Step-by-step explanation:
42 im pretty sure
\left(x+3\right)\left(x-9\right)
$1500!
20% off of $1500 would be $300. $1500 - $300 = $1200. Therefore the original sales price was $1500!