Amy is shopping for a new couch. she finds one that she likes for $800, but her budget is $640. how much for a discount does she need in order to be able to afford the couch?

20%

Step-by-step explanation:

$800.00 - $640.00=$160.00 / $800.00= .2 or 20%

1     sepan

2     encuentren

3     tenga

4     hable

5   parezca

6   llegue

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11