Answer:
323
Step-by-step explanation:

The slope of the current line is -2/7. To find the slope of the line perpendicular to it, find the negative reciprocal of the slope. So it would be 7/2. The y intercept or the b would remain the same so the equation would be y=7/2x+8. Hope this helps.
Answer:
B) AD=30m
Step-by-step explanation:
AG:AD=2:3
Given AG=20m
Then;

Rewrite as ratio to get;

Cross multiply;


Divide through by 2;

Answer:
1/2x or x/2
Step-by-step explanation:
You're taking the number you started with and either multiplying it by 1/2 half or dividing it by 2.