Elleanna is planning is join a dvd club and is investigating the options for membership. option 1 is a $20 memership fee and $1.25 rental change for each dvd rented. option 2 has no rental fee and changes $2.50 for each dvd rented. how many dvds would elleanna have to rent in order for the total cost of option 1 to be equal to option 2?

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.)

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000

Bring the fraction a/a-4 to a denominator of 16-a^2