With quick question! 25 points!

use the law of sines to find the measure of angle r:

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy