The standard form of the equation of a parabola is y=x^2+4x+11. what is the vertex form of the equation? a.) y=(x-2)^2+12 b.) y=(x+2)(x-2)+7 c.) y=(x-2)^2+18 d.) y=(x+2)^2+7

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.