Answer:
C
Step-by-step explanation:
subtracting 289 from both sides, will make one side will be equal to zero.
thus we can then easily solve for b.
can this answer get the brainliest tag?
Your answer is 9.14
hope this help
-5=-2/9x.
x=22.5 / x=45/2
Two or more independent functions (say f(x) and g(x)) can be combined to generate a new function (say g(x)) using any of the following approach.


And many more.
The approach or formula to use depends on the question.
In this case, the combined function is:

The savings function is given as

The allowance function is given as:

The new function that combined his savings and his allowances is calculated as:

Substitute values for s(x) and a(x)

Open bracket

Collect like terms


Read more about functions at:
brainly.com/question/15458447