A staircase in an office building starts at ground level. Each step down lowers you by 7.5 inches. What is your height in relation to ground level after descending 20 steps?

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.