Answer:
124457.29
Step-by-step explanation:
Work shown above! Answer would be 2x^2 -16x + 30
3.25 you just subtract 3.75 from 7
Hope this helps!
Part 1. Your friend is not right because 1\5 is equal to 20%, which is not equal to 25%.
Part 2. The service fee is $18.60 because 10% of 186 is 18.6
