Answer:
25%
Step-by-step explanation:
The tip percentage is 100 times the ratio of what you tipped to what you paid.
100 x (1 dollar tip) / (4 dollars paid) = 25%
Answer:

Step-by-step explanation:

Solve : 9x-14 = 0
Add 14 to both sides of the equation
9x = 14
Divide both sides of the equation by 9:
x = 14/9
Answer:
x^3+4x^2+x−6
c
Step-by-step explanation: