Answer:
18 red marbles.
Step-by-step explanation:
The complete question asks the probability of randomly drawing a red marble is 3/5?
Let x be the number of red marbles that must be added.
To find x we will do the following:

=>
=> 
=> 
This gives x = 18
Hence, 18 red marbles will be added to the bag.
Answer:
Step-by-step explanation:
slope of line passing through C and D is

slope of line perpendicular to CD=-4/3
reqd. eq. of line through C(4,-2) is

No se su respuesta porque no intiendo en ingles
entonces vaya se ALV pinche puto marica