Which of the sets shown includes the elements of set Z that are both odd numbers and multiples of 7? Z = {-21, -14. -7, 0, 7, 14, 21}
O
A. {-21, 21}
B. {-21.-7. 7.21}
C. {-14,0, 14)
O
D. {-21, -14. -7}
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Question 1
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20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.