The cipheris the simplest single-alphabet substitution cipher. it is really just a permutation of the caesar cipher. all characters are rotated 13 characters through the alphabet.

If angle ywz = 17, what is angle wxy? ok so i'm confused on this because the triangles are congruent so that means they have the same measurement which would make wxy=17, but don't all triangles have total measures of 180 degress? ?me.

Arectangle has an area of 54 square feet. if the length is 3 feet more than the width, find the dimensions of the rectangle.

Solve the equation by completing the square. x^2+2x=17