In the yellow stone national park there are 300 species of birds that migrate. this accounts for 2/7 of all the species of birds sighted in the yellowstone national park write an equation to find the number of species of birds that have been sighted at the yellowstone national park.

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.