Which numbers in set  a  = {–7, –4, 2, 14, 21, 34, 42} are elements of both set  b  and set  c, shown below? set  b  = {even numbers}set  c  = {multiples of 7}–7  –4  2  14  21  34  42

[14,42] is your answer

14 is an even number

7 x 2 = 14

42 is an even number

7 x 6 = 42

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the answer is c

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point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.