Find the area under the normal curve to the left of z= - 0.25 plus the area under the normal curve to the right of z= 1.40

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)