Jack drove 44 1/2 miles. he used 1 1/4 gallons of gasoline. what is the unit rate for miles per gallon?

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

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)

5. write an equation for the line that is parallel to the given line and that passes through the given point. y = –5x + 3; (–6, 3)