Solve triangle pqr, given m a. r = 30°
b. pr = 37.8
c. qr = 27.6
d. pq = 53.6

explain

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?