The endurance of both track athletes and gymnasts is recorded in terms of maximum volume of oxygen and is measured in milliliters per kilogram of body weight per minute.

track athletes gymnasts
89.2 72.1
45.3 78.5
89.1 66.2
57.3 47.3
61.5 63.1
80.1 89.3
47.2 65.3

what is the difference of means, rounded to the nearest hundredth, for the two groups?

a. dx = 1.73
b. dx = 1.69
c. dx = 67.1
d. dx = 68.7

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.)

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?

Which expression gives the exact value of x?