Drarry rp <3 lol my children

Does anyone know of a quizlet or something for edmentrum /plato algebra 1

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?