Samantha paid 26.25 for three books that all cost the same amount. what was the cost per book pls?

Do u just plot the numbers on the graph like (1,

Brent wants to know what is 5 x 1/2

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.