Afood truck sells burgers and hot dogs. during lunch, it sold 88 items for a total of $331. if burgers cost $4.50 and hot dogs cost $3.25, how many of each item were sold?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Ineed with number 6 , explain how to get 1978

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap