Design an Application called Student Course Management create interface called Student Course add an abstract method called ad Course add an abstract method called viewCourse add an abstract method called addFee() (Fee Range is 5000 to 20000) if course fee is more than 10000 then student will get 10 percent Disc. otherwise no Disc. Note: Make sure that all the method will throws checked exception If we enter the course fees more than 20000 then an exception raise (The Course Fees cannot applicable) And this interface must be implement at least two class(Two COURSE)

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Write a function balancechemical to balance chemical reactions by solving a linear set of equations. the inputs arguments are: reagents: symbols of reagents in string row array products: symbols of products in string row array elements: elements in the reaction in string row array elcmpreag: elemental composition of reactants in two dimensional numeric array elcmpprdcts: elemental composition of prducts in two dimensional numeric array hint: the first part of the problem is setting up the set of linear equations that should be solve. the second part of the problem is to find the integers from the solution. one way to do this is to mulitiply the rational basis for the nullspace by increasing larger integers until both the left-and right-side integers exist. for example, for the reaction that involves reacting with to produce and : reagents=["ch4", "o2"]; products =["co2", "h2o"]; elements =["c","h", "o"] elcmpreag=[1,4,0;

What machine listens for http requests to come in to a website’s domain? a. a router b. a browser c. a server d. a uniform resource locator