Which of the following are irrational

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)