The fundamental principle behindis that the self-contained blocks of codes can be reused in a variety of different applications, allowing new business processes to be created from a pool of existing services.
a. rapid prototyping
b. joint application design
c. service-oriented architecture
d. computer-aided systems engineering

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Write the equation in general quadratic form: plz !

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)