Complete #1, will give thanks and Brainlist!!

Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]