Larry mitchell invested part of his $34000 advance at 8% annual simple interest and the rest at 5% annual simple interest. if his total yearly interest from both accounts was $2120, find the amount invested in each rate.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

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