First you find the price after tax. You multiply 40 times .085 add that answer (3.4) and get 43.4. After that you get the tip. You multiply 43.4 times .18 and add that answer ( 7.8) and get 51.21.
The line in the graph would be at a slope of 1 my friend
Answer:
hi again 1 2 3 a b c
Step-by-step explanation: