Mr. Barrett bought a new battery for his car. The Battery cost $72. Since batteries are a taxable item, he had to pay a sales tax of 7.5%. What was the total cost of battery in dollars and cents

it would be $540.00

Step-by-step explanation:

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square