Why calculate the variance covariance matrix for a portfolio

Fill in the missing fraction or mixed number __ + 1/4 = 5/8

Mom drew a map of the Mississippi River. The scale was 5 centimeters represents 120 miles. The actual length of the Mississippi River is 2320 miles. Approximately what is the length in centimeters of the Mississippi River on the map?

How to solve this equation 44=t-72

A fair coin is tossed three times. What is the probability that exactly two heads occur, given that a. the first outcome was a tail b. the first two outcomes were heads c. the first two outcomes were tails

Justin, Cam, and Ben are basketball players. Last game, Justin made 888 out of 111111 shots, Cam made 333 out of 444 shots, and Ben made 555 out of 555 shots. Order the players by their shooting percentage from least to greatest.

If y=kx, what is special about k

1435.783 to the nearest cent

For the function f (x) = 2x+2, what is the new function and reflection for-f (x) ?

caroline and sarah win some money and share it in the ratio of 6:1 caroline gets £70 more than her how much did they get altogether

The National Association of Realtors estimates that 23% of all homes purchased in 2004 were consideredinvestment properties.