Which of the following polynomials can be expressed as a
perfect square of a binomial?

Kevin has just finished paying off his loan. he was assessed a service charge of $422. he paid off the principal and the interest by making weekly payments of $36.13 for four years. if the principal was $7,150, how much did kevin pay in finance charges, to the nearest dollar? a. $498 b. $365 c. $422 d. $787

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Standard deviation of 19,29,21,22,23