22 points ) plz me : sara earns 5% simple interest on her 2,500 certificate of deposit how much simple interest will sara earn in 3 years .? plz 22 points and plz explain you

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online