Answer:
5:3
Step-by-step explanation:

If b was equal to zero, then x would be undefined.
Also note:
As the value of b increases, the value of x decreases. And vice versa.
Answer:
1 or 9.
Step-by-step explanation:
A coefficient is "a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4xy)".
So, in this case, the coefficient of 9x would be 9.
The coefficient of x^2 would be 1.
Hope this helps!
Multiply the price of her meal by the percentage of the tip.
15% = 0.15
Tip = 10.25 x 0.15 = 1.54
The tip was $1.54