In a shipment of 20 computers, 3 are defective. two computers are randomly selected and tested. what is the probability that both are defective if the first is not replaced after being tested?

Factor completely. 6y^2-5y+1

What is the value of cos15

There are 25 garden boxes in a park. Each box has 162 flowers. What is the total number of flowers in the boxes?2,750 flowers3,050 flowers3,750 flowers4,050 flowers

What is the answers for 2.9 * 4.5

Used to find the total number of outcomes with coumpound events

Lisa finds a hat that this already marked down. the price tag shows that the original price was $36.00. the marked down price is 27.00. what percent has the hat been marked down? explain

Find the multiplier that corresponds to a 10% increase

What's the algebraic expression of "15 less than a number squared"?

Nathaniel can't remember exactly how many cupcakes Haley and Virgil made for the Halloween party but he did remember that all together Haley and Virgil and he had made 156 cupcakes he also remembered that he and Haley and made 110 and he and Virgil

3 out of 4 students surveyed in a school said they will vote for nuncio for class president predict how many of the 340 students in the school would vote for nuncio