Three times a number decreased by 9

Which statements about these triangles is true

Somone me i want to know what 18 hours out of 24 hours in a fraction

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.