Example#include // include io libraryusing namespace std;int main(){ // Begin main functionint cookieCost = 1; // cost of 1 cookieint numCookiesPurchased;double subtotal;cout << "Number of Cookies? "; // promptcin >> numCookiesPurchased; // read from keyboardsubtotal = numCookiesPurchased * cookieCost;cout << "Cookies: ";cout << numCookiesPurchased << " at $";cout << cookieCost << " each " << endl;cout << "Subtotal = $" << subtotal << endl;return 0; // end program} // End main functionUsing this above example:Create a tax rate variable if tax is: .05 (not 5%)What type should it be?What is a good name?• Read in the tax rateCalculate & print the taxPrint the total

Explanation-Create variables named tax_rate, tax and total for the code.Declare the variables as…

Answered: Example #include // include io library…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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#include <iostream>#include <iomanip>#include <cmath>using namespace std; #define PROPERTY_TAX_RATE_PER_YEAR 1.25#define COST_OF_UTILITIES_PER_MONTH 300.00#define COST_OF_INSURANCE_PER_YEAR 550.00 void inputData(double& sellingPrice, double& interestRate, int& durationOfLoan); void handleAllComputations(double sellingPrice,double interestRate,int durationOfLoan,double downPaymentRate,double& downPayment,double& amountOfLoan,double& mortgagePayment,double& propertyTax,double& costOfInsurance,double& totalMonthlyHouseCost); double calculateDownPayment(double sellingPrice, double downPaymentRate);double calculateAmountOfLoan(double sellingPrice, double downPayment);double calculateMortgagePayment(double amountOfLoan,double interestRate,int durationOfLoan); void outputResults(double sellingPrice,double downPayment,double amountOfLoan,double interestRate,int durationOfLoan,double mortgagePayment,double propertyTax,double…
here is a and b part plz solve c part #include <iostream>#include <string.h>#include <stdlib.h>#include <sstream>#include <cmath>using namespace std; int main(){ /*Variable declarations*/int higestDegree,higestDegree1;int diffDegree,smallDegree;std::stringstream polynomial,addpolynomial;/*prompt for degree*/std::cout<<"Please enter higest degree of polynomial"<<std::endl;std::cin>>higestDegree; std::cout<<"Please Enter highest degree of 2nd polynomial"<<std::endl;std::cin>>higestDegree1;int *cofficient=new int[higestDegree+1];//cofficient array creation for 1st polynomailint *cofficient1=new int[higestDegree1+1];//cofficient array creation for 2st polynomail /*taking cofficient for 1st polynomial*/std::cout<<"Please enter cofficient of each term from higest degree to lowest for 1st polynomial"<<std::endl;for(int i=0;i<=higestDegree;i++){std::cin>>cofficient[i];}/*taking cofficient for 2st…
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Please answer in C++
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C programming fill in the following code #include "graph.h" #include <stdio.h>#include <stdlib.h> /* initialise an empty graph *//* return pointer to initialised graph */Graph *init_graph(void){} /* release memory for graph */void free_graph(Graph *graph){} /* initialise a vertex *//* return pointer to initialised vertex */Vertex *init_vertex(int id){} /* release memory for initialised vertex */void free_vertex(Vertex *vertex){} /* initialise an edge. *//* return pointer to initialised edge. */Edge *init_edge(void){} /* release memory for initialised edge. */void free_edge(Edge *edge){} /* remove all edges from vertex with id from to vertex with id to from graph. */void remove_edge(Graph *graph, int from, int to){} /* remove all edges from vertex with specified id. */void remove_edges(Graph *graph, int id){} /* output all vertices and edges in graph. *//* each vertex in the graphs should be printed on a new line *//* each vertex should be printed in the following format:…

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