# Posts by gaile

Total # Posts: 4

**trig**

write an equation expressing: cos37cos99 as a sum Review question. I know the formula. Having trouble with working it out.

**business/math**

please answer:a portfolio had an original value of $8500 eight years ag.the current value of the portfolio is $45389.what is the average geometric return on this portfolio? urgent response need please

**business/math**

what is the answer to: you obtain a margin loan of 18000 to puchase some stock. the effective intrest rate on the loan is 7.8%.how much intrest will you pay if you repay the loan in 3 month. urgent respone needed

**business 210**

a portfolio had an original value of $8500 eight years ag.the current value of the portfolio is $45389.what is the average geometric return on this portfolio?