Find an equation for the nth term of a geometric sequence where the second and fifth terms are -8 and 512, respectively.

a. an = 2 • (-4)n + 1
b. an = 2 • 4n - 1
c. an = 2 • (-4)n - 1
d. an = 2 • 4n

An animal shelter has 21 puppies. if the puppies are 28% of the total dogs and cat population how many dogs and cats are in the animal shelter

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?

Aquadrilateral has exactly 3 congruent sides davis claims that the figure must be a rectangle why is his claim incorrect.