12. nick bought a pair of glasses for $200. he later saw the same glasses advertised for 20% less than what he originally paid. what price were the glasses being advertised for?

$160

Step-by-step explanation:

Nick bought a pair of glasses for $200.

Now, the same glasses advertised for 20% less than what he originally paid.

Since the original price is $200.

So, 20% of original price :

Since we are given that the discounted price of the glasses is  20% less than what he originally paid.

⇒

⇒

⇒

Thus the discounted price is $160

Hence the price being the glasses advertised is $160

-2x + 7 = 7

subtract 7 from both sides.

-2x = 0

divide both sides by -2.

x = 0

correct choice is a

step-by-step explanation:

the equation of the line passing through the points and is

thus, the equation of the line that passes through the points (0, -6) and (-3, 0) is