Raymundo is writing an explicit function for the arithmetic sequence: 20, 15, 10,5,...
He comes up with s(n) = 20 - 5n.
What domain should Raymundo use for s so it generates the sequence?
Choose 1
n> 0 where n is an integer
n> 0 where n is any number
n> 1 where n is an integer
n> 1 where n is any number

Carl wants to buy a television that cost $500 including taxes. to pay for television he will use a payment plan that requires him to make a down payment of $125 and then pay $70.50 each month for six months what is the percent increase from the original cast of the television to the cost of the television using a payment plan.

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?