How does competition benefit consumers (econ)

You manage an equity fund with an expected risk premium of 10% and a standard deviation of 14%. the rate on treasury bills is 6%. your client chooses to invest $60,000 of her portfolio in your equity fund and $40,000 in a t-bill money market fund. what is the expected return and standard deviation of return on your client’s portfolio?

Suppose that: 1. malaysia requires 1 hour of labor to produce 1 pound of rice and 2 hours of labor to produce 1 pencil; 2. indonesia requires 2 hours of labor to produce 1 pound of rice and 4 hours of labor to produce 1 pencil; 3. each country has 10,000 hours of labor to allocate between the production of rice and pencils; and 4. in autarky, malaysia consumes 5,000 pounds of rice and 2,500 pencils. which country has an absolute advantage in rice production? in pencil production? which country has a comparative advantage in rice production? in pencil production? will trade between the two countries be mutually beneficial?

Find the zeros of the polynomial 5 x square + 12 x + 7 by factorization method and verify the relation between zeros and coefficient of the polynomials