Sebby has 330 for singing lessons he paid 20 for each lesson how many lessons has he attended if he still has 210 left

your answer is b ^w^ hope i

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