If you put the equation into graphing calculator online or manual, you can get the graph.
Answer:
x=2,1 solving with quadratic formula
Step-by-step explanation:
Answer:
the questions is not too correct
1st find out how much the tip was:
88.50 - 75.00 = 13.50
Now find the percentage 13.5 is of 75
13.5/75 x 100 = 18% (C)