Explaio mode of Operation of x-ray​

Write c function that can replace all the positive elements to 0 and negative to 1 in undefined length one-dimensional array. test your program in the main program by defining one-dimensional array of 6 elements

Formula that contains a nested function that first calculates the average of the values in range e6: p6 and uses the round function to round that average to the nearest 10 dollars. use -1 for the value of the number digit argument. would the formula be =round(average(e6: p6),0

Dave has to create animations for a game. which tool can dave use?