Step-by-step explanation:
Co interior angles' sum is 180°
Answer:
The slope is -1/4
Step-by-step explanation:
perpendicular line is 
3/5 is greater because the decimal is .6 while 21/40 is .525
Answer: 21
Step-by-step explanation: hope this helps :)
Answer:
x is greater than or equal to 7
Step-by-step explanation:
(line under alligator)