PLZ HELP ILL GIVE BRAINLIST

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale