Answer:
Step-by-step explanation:
What
are you calculating area or circumference??
For future reference, you could use Desmos for graphs. but should be (1,1)
Answer:
Hence, the expected rate of return after 1 year for Mary's portfolio is 
Step-by-step explanation:
We have,
Purchase 7 shares of stock A for $70 per share and 4 shares of stock B for $100 per share then The expected rate of return after 1 year for Mary's portfolio.
Weight invested in stock A is 

Weight invested in stock B is

The expected value of the rate of return



Each piece will be the same length. We can convert 5 1/2 into an improper fraction. 5 1/2 = 11 / 2 Divide 66 by this improper fraction. 66 / (11 / 2) When we divide by a fraction, we multiply by the reciprocal of that fraction. 66 * (2 / 11) = 2 * 6 = 12 12 pieces can be cut.