Let X = {x|x is a whole number less than 10} and Y = {−3, −2, 1, 3, 5, 7, 20}. Find X ∩ Y.

A. {−3, −2}
B. {−3, −2, 1, 3, 5, 7}
C. {−3, −2, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 20}
D. {1, 3, 5, 7}

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

Which one is the correct answer, and why?