The formula c=kmt is used to find the number of calories a person burns during exercise, where m is the person’s weight in pounds, t is time in minutes, c is calories, and k is a constant for the rate of calories burned during exercise. find the units for the coefficient k.

a) cal·lb·min
b) cal·lb/min
eliminate
c) cal/(lb·min)
d) lb·min/cal

The frequency table shows a set of data collected by a doctor for adult patients who were diagnosed with a strain of influenza. patients with influenza age range number of sick patients 25 to 29 30 to 34 35 to 39 40 to 45 which dot plot could represent the same data as the frequency table? patients with flu

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)