What is 60% as a ratio out of 100

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

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.