Kelly bought 55 stocks Company A, 30 of Company B and 25 of Company C. The annual return for these stocks are 8%, 12%, and 10% respectively. The average return for one year is:

Extra points! find the missing dimension! need asap

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.

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21