What makes two terms "like terms"?​

Which math sentence can be used to determine if the triangle is a right triangle?

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.

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi