A light display has three colored lights, each of which flashes on for an instant at regular intervals. The yellow one flashes 15 times per minute. Red flashes 30 times per minute. Blue 6 times per min. How much longer must you wait before the three lights flash on simultaneously again?

(03.03 mc) choose the graph below that correctly represents the equation 2x + 4y = 24. (5 points) select one: a. line through the points 0 comma 6 and 12 comma 0 b. line through the points 0 comma negative 6 and 12 comma 0 c. line through the points 0 comma negative 12 and 6 comma 0 d. line through the points 0 comma 12 and 6 comma 0