Is x = 3 1/4 a solution to the equation 12 5/8 = x +9 1/4

The hypotenuse of a 45 -45 -90 triangle measure 7 square root 2 units

Can't gugys answer the ratio question. this is urgent the plans of a building is drawn toward scale of 1: 1000. kfc the foyer on the plans measures 62mm by 54mm, how large is the foyer in real life?

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?