Answer:
The above equation is a quadratic function whose zeroes are 3 and 12.
Step-by-step explanation:
The general quadratic equation is given by :

It is given that, the zeroes of a quadratic function are 3 and 12. It means they must be factors of it such that,

So, we can write as :

Multiplying both factors,

So, the above equation is a quadratic function whose zeroes are 3 and 12.
Answer:
I think that it's 12 but I don't know for sure.
Step-by-step explanation:
Answer:
35%
Step-by-step explanation:
$28 less.
28 is 35% of 80. (28/80 = 0.35 which is 35%)
the percent markdown is 35%
positive number times negative number is negative number "(+)(-) = (-)".

we change the mixed numbers to the improper fractions

Answer:
discount = 290 × <u>1</u>
4
= 72.50
new price is
290.00
<u>72.50</u> -
217.50