One maid cleaned the room in 30 minutes. a new maid cleaned it in 60 minutes. how long will it take to clean this room if both maids work together

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection

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