1m=100cm, 3.5m is what percent of 70cm, 70 cm is what percent of 3.5m?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

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

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?