How should i answer one of these questions

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²

Two numbers have a sum of -19. one number is x. what expression represents the other number?