24. the original price of a dvd is $9. the sale price is 20% off
the original price. what is the sale price of the dvd?

20/100 = 0.20

0.20 * 9 = 1.8

9 - 1.8 = 7.2

The sale price of the DVD is $7.20.

$7.20

Step-by-step explanation:

10% of $9 = 0.9

20% = 1.80

$9 - $1.80 = $7.20

5+2x=a

asdasdsaadsaddsasds

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b