What number must be added to the expression below to complete the square?

x2 - 22x

a. -121
b. 11
c. 121
d. -11

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.

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit

What is the domain of the step function f(x)=[2x]-1?