What is the lowest common denominator of the following rational expressions

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.