How many different triangles can be made with the angles 45 degree, 45 degree, 90degree ? a two triangles

b infinitely many triangles

c one triangle

d zero triangles

Geometry answer picture question pls . reason and statements

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.