17. find the value of x
18. find the area of each
19. find the surface area of each figure round to the nearest tenth.
20. find the volume of each figure

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.