The sales tax rate is 8.5%. what is the total cost, including tax, of an item priced at $40.50

f(x)=2/3x+4/3 is the answer because is whose power in the senate is equal to the power of the speaker of the house?

step-by-step explanation:

no solution

step-by-step explanation:

there is not enough information in the problem to solve.

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!