First one is false, second one is true.
Answer:
770000
Step by step explanation:
Answer:
2/7
Step-by-step explanation:
Answer:

Step-by-step explanation:
Line d slope is 8/7, therefore the perpendicular is -7/8
Answer:
8
Step-by-step explanation:
(10-4)+20/20
6+20/10
6+2
8