Can anyone at least answer one questions pls and thank you

Find the roots of the equation below. x^2 - 6 + 9 = 0

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary