Step-by-step explanation:
Since the options are not clear enough, please kindly see the attached file for more explanation
916...the 9 is in the hundreds place so its value is 900
791...the 9 is in the tens place so its value is 90
900/90 = 10
so the 9 in 916 is 10 times bigger then the 9 in 791
X=4
Y=-0.5
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Step-by-step explanation:
angle 5, 3, 7 since they're vertical and alternate interior angles that are all connected to angle 1