Let P = {8, 9, 10, 11, 12), Q = {9, 10, 11), and R = {5, 6}. Find P O Q: O A. {5, 6) OB. {9, 10, 11} O C. {8, 9, 10, 11, 12} D. Ø empty set

When turned about its axis of rotation, which shape could have created this three-dimensional object?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?