HWO Problem 0 Write a C code to get the real numbers x and y from user and calculate the following expression (x + y)x-y) Problem 1 Write a C code that calculates the velocity () and the distance (d) of an object after t seconds and acceleration a flwing equations: Problem2 Write a C code which receives the coefficients of a quadratic equation in the form of ax2 + bx + c 0 and computes its root using following expressions (assume b2-4ac