Answer:
$13.97 was the price of the dinner b4 tax and tip
Step-by-step explanation:
18.60 - 11% (1.84) = 16.76
16.76 - 20%(2.79) = 13.97
The quadratic formuls that this graph represents is: <u><em>f (x) = -x 2 -2x +3</em></u>
Have a nice day!
590/1000