You bought a book for $ 22.50. after using it, you sold it for $ 18. write the loss as a percentage

What is the common difference in the following arithmetic sequence? 7,3,-1,-5

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18