Arectangle is twice as long as it is wide the area is 72 find the length

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?

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5