Combine the like terms to create an equivalent expression: \large{2r+1+(-4r)+7}2r+1+(−4r)+72, r, plus, 1, plus, left parenthesis, minus, 4, r, right parenthesis, plus, 7

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?

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?