I need help fast (don’t pay attention to the numbers I wrote)

Examine the following sets of events. set a: {1, 5, 7, 9, 14} set b: {2, 5, 6, 8, 14, 17} which of the following represents the intersection of set a and set b ? {∅} {5, 14} {1, 2, 5, 6, 7, 8, 9, 14, 17} {1, 2, 6, 7, 8, 9, 17}

It says factor each expression 49x-28?

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5