Write a C++ program that asks the user for three numbers. Then call a function passing these three numbers that returns their sum. Then call another function passing these three numbers and returns their average. Then print to the screen a nicely formatted message that says something like: "The sum of X, Y, and Z is A and the average of these three numbers is B." dan filo
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- Write program in C; compatible with quincy please Write a program that calculates the area (a) of a triangle given two values b (base) and h (height) and using the formula area = (base * height) / 2 .The program should include a function called calculate_area which has two input parameters(b and h) and one output parameter (a).The user is prompted to enter two input values that will be used as base (b) and height (h) thenthe function calculate_area uses those two values as input parameters returns the calculatedarea (a) as an output parameter. After using the function calculate_area the program shoulddisplay the calculated area (a).Hint: use a pointer for the output parameterThis is c programming question. Use function please for solving. Question: (The function that returns letter grade according to midterm and final grade) : The function turn_to_letter decides on the letter grade of the student according to the table below from the visa and final grades sent into it and returns it, write it together with a main function which the turn_to_letter function is called and prints the letter equivalent on the screen. - Success score = 40% of midterm + 60% of final, - F for the success score below 50, D for between 50 and 59, C for between 60 and 69, B for between 70 and 79, A for 80 and above.Write a c++program that includes a function which requires 4 input parameters. After calculation, function will return 3 values (mean, STDEV and sum of all input) back to main program. The main program will then output a sum of all return value to the screen.(#using pointers)Example of results : Send to function : 40, 20, 10, 30Return from function: 25, 12.90, 100Final output : 137.90