Man smiles every 6 secs, wife smiles every 3 secs. When will they smile the same time.

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?