9-8. Assume that two figures on a flat surface, A and B, are similar. Homework Help
a.
If the linear scale factor is 25, then what is the ratio of the areas of A and B?
b. If the ratio of the perimeters of A and B is 14:1, what is the ratio of the areas?
c. If the area of A is 81 times that of B, what is the ratio of the perimeters?

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.

True or false look at the picture pls : /

Which function has the domain x> -11?