Twenty people are choosing a president, a vice-president, and a secretary from among their ranks. How many ways are there to do this?

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.