I would try drawing the line on a coordinate plane to help.
a
Step-by-step explanation:
you are trying to divide x by 7 to isolate x. so you divide by 8 on both sides.
Answer:
A
Step-by-step explanation:
note that i = 
given
- 1 + 2i
= - 1 + 
= - 1 + 
Answer:
I believe that g=dc
Step-by-step explanation:
You swap positions with g and c along with their sign of operation.
If there are 4 pens there will be 1 pencil, if there is 1 pencil there will be 4 pens
If the ratio is factored to a number, let's say 3, then there will be 12 pens for every 3 pencils