William travelled 9 floors up, 4 floors down, 3 floors up and 7 floors down in an elevator. (a)What directed numbers could be used to show this journey?

(b)What single journey could he have taken to get to the final floor?

(c)Write a directed number to show this single journey.

(d)Jacinta was in an adjacent elevator travelling in the opposite direction, for each of the same movements as William. Describe the journey of her elevator.

(e)On which floor did Jacinta finish her journey?

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)