Answer:
Engineers changed the world, such as building houses, bridges, and cars.
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Answer:
51:49 is the ratio of female participants to male participants.
Explanation:
Percentage of females in the race = 51 %
Percentage of males in the race = 100% - 51 % = 49%
Total participants in race = 400
Number of women participants = 
Number of men participants = 
Ratio of female participants to male participants :

Answer:
c is the answer
step by step explanation is not
I just had this question it is c