Answer:
60%
Step-by-step explanation:
yiu take 100%-40%= 60%
Answer:
To get an expression relating to x you need to have x alone on one side of your equation. ie x =
Try this:
rx - st = r
remove st from the rx side
rx = r + st
now divide by r
x = (r + st)/r
You now have your expression relating to x
Answer:

Step-by-step explanation:
observe by inverse definition of a function

No, they are not parallel. The graph would look like this: