According to a survey, 25.4% of credit-card-holding families in a certain area hardly ever pay off the balance. suppose a random sample of 20 credit-card-holding families is taken. find the probability that at least 4 families hardly ever pay off the balance.

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Can someone me with these two circle theorem questions asap?