how many tiles are required to pave the floor of half measuring 12 3/4 m × 10 1/4 m. if square tiles of side 1/4m are used

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false

Which angle of rotation is an angle of rotational symmetry for all figures?

What is the value of -3/4 to the 4th power? -256/81 -81/256 81/256 256/81