PLZ HELP (MUST BE 1000% SURE) Estimate a 15% tip on a dinner bill of $67.32 by first rounding the bill amount to the nearest ten dollars.

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

7

step-by-step explanation:

the answer would be 7